Prof.P.S.K Rajapakshe

Professor

+94714706796

Biography

Prof. P. S. K. Rajapakshe is a distinguished academic serving as a Professor in the Department of Environmental Management at the Faculty of Social Sciences & Humanities, Rajarata University of Sri Lanka. He holds a PhD in Environmental Economics from the University of Leeds, an MSc in Environmental Economics from the University of Peradeniya, and a BA (Special) in Environmental Management from Rajarata University. His research expertise lies in environmental economics, focusing on water service improvement, SME sustainability, public preferences for infrastructure development, and the nexus between energy, trade, urbanization, and environmental degradation. Prof. Rajapakshe has contributed significantly to academic literature through numerous journal articles, book chapters, and conference papers, with notable publications in Frontiers in Water, Energies, and Journal of Open Innovation. He plays a key leadership role in curriculum development and quality assurance within the faculty, and his interdisciplinary work continues to impact both academic and policy spheres in Sri Lanka and beyond.

Educational qualifications

Successfully completed Doctor of Philosophy (in the field of Environmental Economics) at Sustainability Research Institute (SRI), School of Earth and Environment, University of Leeds, UK. in 2015.
Successfully completed Master of Science in Environmental Economics at Postgraduate Institute of Agriculture, University of Peradeniya, Sri Lanka in 2005.
Successfully completed Bachelor of Arts (Special) in Environmental Management at the Faculty of Social Science and Humanities, Rajarata University of Sri Lanka in 2002.

Research Interests

Research Publications

Publication in Refereed Journal Papers

DMSLB Dissanayake,Manjula Ranagalage, JMSB Jayasundara, PSK
Rajapakshe, NSK Herath, Samali Ayoma Marasinghe, WMSB Wanninayake, HUK
Dilanjani, ALWM Perera, Yukthi HerathA Comprehensive Bibliometric Analysis of Spatial Data Infra-structure in Smart City Context. Land 2025, 14(3), 492; https://doi.org/10.3390/land14030492

Rajapakshe, P.S.K, Termansen M and Paavola J (2023) Public preferences for the improvement of existing piped water provision. A choice experiment in Sri Lanka. Frontiers in Water 5:1134660.doi:10.3389/frwa.2023.1134660.

Oruj Gasimli, Ihtisham ul Haq, Sisira Kumara Naradda Gamage, Fadi Shihadeh, Prasanna Sisira Kumara Rajapakshe and Muhammad Shafiq; Energy, Trade, Urbanization and Environmental Degradation Nexus in Sri Lanka: Bounds Testing Approach., Energies, 2019.

Upulwehera, J.M.H.M., Senanayake, S.M.S.N., Gamage, S.K.N., Jayasundara, J.M.S.B., Ekanayake, E.M.S., Lalani,J.M.G., Abeyrathne, G.A.K.N.J., Rajapakshe, P.S.K., Prasanna, R.P.I.R.(2023) Is Women ,Entrepreneurship a Key Driver for Sustainability of the SMEs in the Economic Competition in Asian Developing Nations? Case Study of SMEs in the Agricultural Sector in Sri Lanka, Journal of Knowledge Economy, Springer Nature.

Prasanna, R. P. I. R., Jayasundara, J. M. S. B., Naradda Gamage, S. K., Ekanayake, E. M. S., Rajapakshe, P. S. K., & Abeyrathne, G. A. K. N. J. (2019). Sustainability of SMEs in the competition: A systemic review on technological challenges and SME performance. Journal of Open Innovation: Technology, Market, and Complexity, 5(4), 100.
Gamage, S.K.N., Ekanayake, E.M.S., Abeyrathne, G.A.K.N.J., Prasanna, R.P.I.R., Jayasundara, J.M.S.B., and Rajapakshe, P.S.K. (2020). A review of global challenges and survival strategies of Small and Medium Enterprises (SMEs). Economies, 8(79).
Dissanayaka, HRASR, Rajapakshe, PSK (2023). Financial and Economic Viability of Transforming to Solar Energy: Case Study from Rajarata University of Sri Lanka. Journal of Accountancy and Finance., Vol. 10 Issue II, Department of Accountancy, Wayamba University of Sri Lanka.
Gamage, S.K.N., Prasanna, R.P.I.R., Jayasundara, J.M.S.B., Ekanayake, E.M.S., Rajapakshe, P.S.K., Abeyrathne, G.A.K.N.J., Kumudumali, S.H.T., and Nedelea, A.M. (2020). Social Capital and SME: A Systematic Literature Review and Research Directions. Ecoforum, 9(3).
PSK Rajapakshe, SAU Neranjala, MAKN Aravinda, JMG Lalani, and MS. KS Denipitiya (2021) ‘Assessing the SMEs’ readiness of Facing Barriers in Institutional and Legislation Setting and Drivers for Sustainability in Sri Lanka: A Literature Review and Directions of Future Research’ Journal of Rajarata Economic Review (JRER) Vol. 01 issue I, 2021. Department of Economics, Rajarata University of Sri Lanka.
L.M.A.P.Gunawardhana,P.S.K. Rajapakshe, N.S.K.Herath (2022). Analyzing vulnerability factors, spatiotemporal distribution and perceptions of patients with Chorionic Kidney Disease of uncertain aetiology (CKDu): A case study in the Medawachchiya area in Anuradhapura District of Sri Lanka. Journal of the Institute of Human Resource Advancement, Volume 9, Issue I, University of Colombo, Sri Lanka.
Rajapakshe,P.S.K, Gunaratne,L.H.P. (2005).Comparison of Residential Water Demand among Rural, Semi-Urban and Urban Sectors in the Central Province of Sri Lanka”, Tropical Agricultural Research Vol.17:173 -182, Postgraduate Institute of Agriculture (PGIA), University of Peradeniya, Sri Lanka.
Prasanna, R.P.I.R. Bandara, K.B.T.U.K., Senanayake, S.M.S.N., Upulwehera, J.M.H.M., Gamage, S.K.N., Rajapakshe, P.S.K., Ekanayake, E.M.S., & Jayasundara, J.M.S.B. (2022). Agro-based SME’s readiness & relative perception of institutional support towards innovation & utilization of new scientific discoveries: a case of Sri Lanka. Sri Lanka Statistical Review, 1(2), 87-107, Department of Census and Statistics, Sri Lanka.
Upulwehera, J.M.H.M., Gamage, S.K.N., Rajapakshe, P.S.K., Jayasundara, J.M.S.B., Ekanayake, E.M.S., Abeyrathne, G.A.K.N.J., & Prasanna, R.P.I.R. (2021). Readiness of institutional setting to address the competitive technology challenges of SME sector in Sri Lanka: Perceptions of officers in local settings. Journal of Management Matters, 8(2), 51-74.
Upulwehera, J.M.H.M., Liyanage, D.Y.H., Bandara, K.B.T.U.K., Lalani, J.M.G., Gamage, S.K.N., Rajapakshe, P.S.K., Ekanayake, E.M.S., Jayasundara, J.M.S.B., & Prasanna, R.P.I.R. (2021). Preparedness and relative opinions of the owners of agro-based businesses to attain institutional support to face global challenges: A case of Sri Lankan SMEs. Sri Lanka Journal of Economic Research, 9(2), 43-67.
Dissanayaka D.M.M.G.J.M and Rajapakshe P.S.K (2022). Measuring the Individual Carbon Footprint and Exploring Its Determinants: A case study in Galewela Divisional Secretariat Area in Matale District of Sri Lanka, Rajarata Journal of Social Sciences, 6(2), Department of Social Sciences, Rajarata University of Sri Lanka.
EMS Ekanayake, RPIR Prasanna, JMSB Jayasundara, SKN Gamage, PSK Rajapakshe, GAKNJ Aberathne and KAKIC Gunasena, 2020, Traditional SMEs with Cultural Heritage: Chellenges in Modernity A case study from Sri Lanka, International Journal of Arts and Commerce, 9(11), 76-95.
Jayasundara, J.M.S.B, Prasanna, R.P.I.R & P.S.K. Rajapakshe, 2016, Review ofMethodologies for Analyzing Drought: Its Impact on Economy and Water Resources. Rajarata Journal of Social Sciences Vol.2, No.1, 2016, pp. 145 –161.
Jayasundara, J.M.S.B., Rajapakshe, P.S.K., Prasanna, R.P.I.R., Ekanayake, E.M.S., Gamage, S.K.N., and Abeyrathne, G.A.K.N.J. (2020) How do SMEs face sustainability challenges in the competition? A systemic review. Peradeniya Management Review. 2(2), 24-60.
Aravinda, MAKN and Rajapakshe PSK (2021), Exploring the Impact of Green Manufacturing Practices on Organizational Performance in the Manufacturing Sector Organizations in Anuradhapura District, Journal of the Institute of Human Resource Advancement, Volume 8, Issue 1, University of Colombo, Sri Lanka.
Rajapakshe, P.S.K., Upulwehera, J.M.H.M., Bandara, K.B.T.U.K., Gamage, S.K.N., Ekanayake, E.M.S., Jayasundara, J.M.S.B., & Prasanna, R.P.I.R. (2021). The readiness of local institutions in addressing sustainability challenges confronting the SMEs: A case study of Sri Lanka. Sri Lankan Journal of Business Studies and Finance, 1(1), 16-37.
Abeyrathne, G.A.K.N.J., Prasanna, R.P.I.R., Gamage, S.K.N., Ekanayake, E.M.S., Jayasundara, J.M.S.B., Rajapakshe, P.S.K., and Bandara, K.B.T.U.K. (2021). Affecting factors for technological adoptation of agro-based small and medium enterprises (SMEs) in Sri Lanka. Journal of Institute of Human Resource Advancement, 8(2), 1-25, University of Colombo, Sri Lanka.
Naradda Gamage, S. K., Rajapakshe, PSK. and Kumudumali, S.H.T, Determinants of Mobile Phone Ownership in Sri Lanka: An Analysis of Individual Characteristics, Journal of Technology and Value Addition, Uva wellassa University of Sri Lanka.2020.
Gamage, S.K.N., Rajapakshe, P.S.K., Prasanna, R.P.I.R., Ekanayake, E.M.S., Jayasundara, J.M.S.B., Abeyrathne, G.A.K.N.J., and Kumudumali, S.H.T. (2020). Business Practices and SME Performance: Empirical Evidence from Sri Lanka. Journal of Accountancy and Finance, Department of Accountancy, Wayamba University of Sri Lanka. 7(1), 24-49.
Rajapakshe,P.S.K,(2014), Heterogeneous Preferences for Water Service Improvements: Evidence from Anuradhapura District of Sri Lanka, Journal of Environmental Professionals in Sri Lanka, Vol 3.No-1.
K. A. K. Wijesena, Jagath Edirisinghe, D.M.Auwardt, M.A. Buddhika Patalee and Sisira Rajapakshe (2011), Assessment of Reasons for Small Holders Leave the Dairy Industry in Sri Lanka. Journal of Food and Agriculture, Wayamba University of Sri Lanka, Volume 4, No 1&2.
De Silva, Y.Y.K, Rajapakshe, P.S.K, Amaralal, K.H.M.L (2006). “Price Efficiency in Tuna Fish Marketing in Sri Lanka. An Application of Co- integration Approach.”Vol 11:21-26, Sri Lanka Journal of Aquatic Sciences, Sri Lankan Association for Fisheries and Aquatic Resources (SLAFAR).
P.S.K.Rajapakshe, Willingness to Pay (WTP) for an Improved and Reliable Water Supply in Mihintale Divisional Secretariat area in Anuradhapura District. (2006), Accountancy Journal, Department of Accountancy and Business Finance, Wayamba University of Sri Lanka, Volume 4.

Publications in Working Papers

P.S.K Rajapakshe, M. Termansen and J. Paavola (2022) Valuing water service improvements through revealed preference: Averting Behaviour Method, MPRA Munich Personal Re Pec Archive, No.115623
https://mpra.ub.uni-muenchen.de/115623
Rajapakshe, PSK and Gamage, SKN and Prasanna, RPIR and Jayasundara, JMSB and Ekanayake, EMS and Upulwehera, JMHM and Wijerathna, WAID and Abeyrathne, GAKNJ. (2020) Social Capital, Performance of SMEs, and COVID-19 Pandemic, MPRA Munich Personal Re Pec Archive, No.109530 https://mpra.ub.uni-muenchen.de/109530/
Rajapakshe, P.S.K., Jayasundara, J.M.S.B., Prasanna, R.P.I.R., Ekanayake, E.M.S ., Gamage, N., Aberathne, G.A.K.N. Aravinda, MAKN, and Bandara, K.B.T.U.K. and Senarath B.T.D.N., 30 December 2020, Investivgation of Institutional and Legislative Barriers and Drives for Sustainable Transition Developme t of SMEs in Sri Lanka: A Literature Review, MPRA Munich Personal Re Pec Archive, No.105052
http://mpra.ub.uni-muenchen.de/105052
Jayasundara, J.M.S.B., Rajapakshe, P.S.K., Prasanna, R.P.I.R., Gamage, N., Ekanayake, E.M.S. and Aberathne, G.A.K.N., 10 January 2019, The nature of Sustainability Challenge in Small and Medium Enterprises and its Management, MPRA Munich Personal RePec Archieve, No.98418
http://mpra.ub.uni-muenchen.de/98418
Gamage, N., Ekanayake, E.M.S ., Aberathne, G.A.K.N., Prasanna, R.P.I.R., Jayasundara, J.M.S.B., and Rajapakshe, P.S.K. , 20 December 2019, Global Challenges and Survival Strategies of the SMEs in the Era of Economic Globalization: A Systemic Review, MPRA Munich Personal Re Pec Archive, No.98419 http://mpra.ub.uni-muenchen.de/98419
Bandara, K.B.T.U.K., Jayasundara, J.M.S.B., Gamage, N., Ekanayake, E.M.S ., Rajapakshe, P.S.K., Aberathne, G.A.K.N. and Prasanna, R.P.I.R., 25 November 2020, Entrepreneurial Marketing Performance of Small Medium Enterprises in Developed and Developing Economies: A Conceptual Exploration, MPRA Munich Personal Re Pec Archive, No.104341 http://mpra.ub.uni-muenchen.de/104341
P.S.K Rajapakshe, M. Termansen and J. Paavola Case study published on Private finnacing for improved community water supply: Case study in Sri Lanka, Published by water@leeds, University of Leeds, UK. Available: https://water.leeds.ac.uk/wp-content/uploads/sites/36/2017/04/21382_2pp- RajapaksheCaseStudy-V3.pdf

Publications in Book Chapters

R.P.I.R. Prasanna, S.K.N.Gamage, J.M.H.M. Upulwehera, G.A.K.N.J. Abeyrathne, J.M.S.B. Jayasundara, E.M.S. Ekanayaka and P.S.K. Rajapakshe –2021,. ‘’Challenges and Proposed Strategies of SMEs Amidst COVID-19: Evidence from Sri Lanka’’ ( Book Chapter 7) Department of Economics, Rajarata University of Sri Lanka, Mihintale, Sri Lanka, COVID-19 and Its Reflection on SMEs in Developing Countries, NOVA Science publishers USA.
ISBN: 978-1-68507-454-8
https://doi.org/10.52305/JCJI5976.
Access via https://novapublishers.com/shop/covid-19-and-its-reflection-on- smes-in-developing-countries/
E.M.S. Ekanayake, J.M.S.B. Jayasundara, P.S.K.Rajapakshe, P.S.R. Senadheera and R.P.I.R. Prasanna (2021) ,Economic, Social, and Environmental Determinants of Colonized Poverty in Sri Lanka: Evidence from Huruluwewa Agriculture Colonization Scheme in Anuradhapura District, Sustainability of Agriculture Settlement Schemes in the Dry Zone of Sri Lanka: Issues, Challenges, and Path ahead – A Collection of Empirical Works”, Department of Economics,Rajarata University of Sri Lanka.

Publications in Conference Papers (Full Papers/Extended Abstract and Abstract

Rajapakshe, S., Termansen, M., & Paavola, J. (2015). Private Financing of Water supply in developing countries: The potential in Sri Lanka..European Association of Environmental and Resource Economists, Helsinki, Finland.
https://pure.au.dk/portal/en/publications/private-financing-of-water-supply-in-developing-countries-the-potential-in-sri-lanka(5996320b-b02b-495a-90b4-33c39f70b43f)/export.html.
Upulwehera, J.M.H.M., Senanayake, S.M.S.N., Gamage, S.K.N., Jayasundara, J.M.S.B., Rajapakshe, P.S.K., Ekanayake, E.M.S., & Prasanna, R.P.I.R. Financial Challenges of SMEs in Competitive Environment – Perception of Managerial Level Officers: Case Study From Sri Lanka. 11^th Sri Lanka Economic Research Conference -2022, Eastern University of Sri Lanka.
Prasanna, R.P.I.R., Upulwehera, J.M.H.M., Ekanayake, E.M.S., Jayasundara, J.M.S.B., Rajapakshe, P.S.K., Senadheera, P.S.R., & Gamage, S.K.N. Sustainability of the women-led SMEs in the economic competition in Sri Lanka: Does financial literacy matter? 4^th International Conference of Agricultural Sciences, Faculty of Agricultural Sciences, 2022, Sabaragamuwa University of Sri Lanka. ISBN: 978-624-5727-15-5
Upulwehera, J.M.H.M., Prasanna, R.P.I.R., Gamage, S.K.N., Ekanayake, E.M.S., Jayasundara, J.M.S.B., Rajapakshe, P.S.K., & Abeyrathne, G.A.K.N.J. Institutional Support, Readiness and Relative Perceptions in Addressing Sustainability Challenge of Agro-based SMEs in the Competition: Evidence from Sri Lanka, 4^th International Conference of Agricultural Sciences, Faculty of Agricultural Sciences, 2022, Sabaragamuwa University of Sri Lanka. ISBN: 978-624-5727-15-
Weerasinghe, K.P.W.D.R., Jayasundara, J.M.S.B., Rajapakshe, P.S.K., Ekanayake, E.M.S., Prasanna, R.P.I.R., Gamage, S.K.N., & Upulwehera, J.M.H.M. Readiness of SMEs for Addressing the Sustainability Challenges by Establishing the Environmental Management System: In the Case of the SME Sector in Sri Lanka, 1^st International Research Symposium on Management, 2022, Faculty of Management Studies, Rajarata University of Sri Lanka.
Gamage, S.K.N., Prasanna, R.P.I.R., Rajapakshe, P.S.K., and Wijerathna, W.A.I.D. Performance of Agro-Based SMEs in Sri Lanka: Does Social Capital Matter? Peradeniya University International Management Research Sessions (iPUMSE), 2021, Faculty of Management, University of Peradeniya.
Abeyrathne, G.A.K.N.J., Gamage, S.K.N., Rajapakshe, P.S.K., and Prasanna, R.P.I.R. Factors Stimulating Innovations in Agro-Based Small and Medium Enterprises (SMEs) in Sri Lanka. Peradeniya University International Management Research Sessions (iPUMSE), 2021, Faculty of Management, University of Peradeniya.
Jayasundara, J.M.S.B. & Rajapakshe, P.S.K.Characteristics of Sustainability Challenge and its Management by Small and Medium Enterprises, in Proceeding of 8^th International Economic Research Conference of Sri Lanka, Forum of University Economists, 20^th December, 2019, Vol. VIII, pp.176-182.
Wanninayaka,W.M.S.B.and Rajapakshe, P.S.K. “ Increasing trend of floods and landslides disasters in Sri Lanka: Socio-Economic Perspective, Proceedings of the 6th International Conference of Sri Lanka Forum of University Economists: Sri Lanka Economics Research Conference (SLERC), 23-34 November 2017, Rajarata University of Sri Lanka. Vol. VI, pp.107-110.
Lakmali I.M.T. and Rajapakshe, P.S.K, “Public Preferences for Cascade Development: A Case study in Weddewa Small Tank Cascade in Rambewa DS Division of the Anuradhapura District, Proceedings of the 6th International Conference of Sri Lanka Forum of University Economists: Sri Lanka Economics Research Conference (SLERC), 23-34 November 2017, Rajarata University of Sri Lanka. Vol. VI, pp.173-176.
Muthuthanthirige, D.L and Rajapakshe, P.S.K, “Potentials of applying payment for ecosystem services approach for conservation of biodiversity in Sri Lanka”, Proceedings of the 6th International Conference of Sri Lanka Forum of University Economists: Sri Lanka Economics Research Conference (SLERC), 23-34 November 2017, Rajarata University of Sri Lanka. Vol. VI, pp.183-187.
Dissanayaka, B.N.D and Rajapakshe, P.S.K. Carbon footprints of higher education institutions: a case study of Rajarata University of Sri Lanka. Proceedings of the 6th International Conference of Sri Lanka Forum of University Economists: Sri Lanka Economics Research Conference (SLERC), 23-34 November 2017, Rajarata University of Sri Lanka. Vol. VI, pp.189-192.
Rathnayake, P.B and Rajapakshe, P.S.K. “Evaluation of usability and accessibility of online shopping websites in Sri Lanka”, Proceedings of the 6th International Conference of Sri Lanka Forum of University Economists: Sri Lanka Economics Research Conference (SLERC), 23-34 November 2017, Rajarata University of Sri Lanka. Vol. VI, pp.407-409.
RMKSR Ranaweera, JMSB Jayasundara and PSKR Rajapakshe, 2017, Analysis of the Factors affecting Productive environmental management system (EMS) in Hotels, Sri Lanka, Proceedings of the 6th International Conference of Sri Lanka Forum of University Economists: Sri Lanka Economics Research Conference (SLERC), 23-34 November 2017, Rajarata University of Sri Lanka, Vol. VI,pp.411-414.
P.B. Rathnayaka and PSK Rajapakshe, comparing online team-based learning method with traditional lecture method from the perspective of the university lecturers, eLearning Forum Asia (eLFAsia), 1-2 December 2022, Manila, Philippines.
Perera,A.LW.M, Wijerathna, S.D.S.A, Layanga, A.G.P, Rajapakshe,P.S.K. Assessment of the Factors Influencing the Green Professionals of Construction Industry in Purchasing Green Products in Sri Lanka. 26th International Forestry and Environment Symposium 2022, University of Sri Jayewardenepura.
http://journals.sjp.ac.lk/index.php/fesympo/article/view/5748
Upulwehera, J.M.H.M., Liyanage, D.Y.H., Gamage, S.K.N., Jayasundara, J.M.S.B., Rajapakshe, P.S.K., Ekanayaka E.M.S, Prasanna, R.P.I.R. Institutional readiness to address the technological challenges of agro-based SMEs in Sri Lanka: relative notions of divisional secretariat level officers, Proceedings of International Conference on Contemporary Management 2022 July 14, 2022, Faculty of Management Studies and Commerce, University of Jaffna, Sri Lanka. ISSN: 2783-8773.
Dissanaya DMMGJM and Rajapakshe PSK,Comparison of Individual Carbon Footprint in Semi-Urban areas. A case study of two Grama Niladhari Divisons in Galewela Divisional Secratariat in Matale District of Sri Lanka, Proceeding of the International Research Symposium of Rajarata University of Sri Lanka, 21-22 December , 2021.
Gamage, G.R.S.D, Rajapakshe, P.S.K..Exploring the Impact of Responsible Tourism on Stakeholders in Dambulla Tourism Destination, Proceeding of the Peradeniya University International Research Sessions (iPURSE 2021), 11-12^th November 2021, University of Peradeniya.
Aravinda, MAKN, Rajapakshe, PSK, SandaruwanRGP. Upali, M.M.R. Improving Organizational Sustainability Performance through Integrated Green Production Collaboration (GPC) and Environmental Management Actions (EMA) in Agro Based Manufacturing Sector in Anuradhapura District, 25th International Forestry and Environment Symposium 2021, University of Sri Jayewardenepura.
https://journals.sjp.ac.lk/index.php/fesympo/article/view/5318.
Aravinda, MAKN, Rajapakshe, PSK, Sandaruwan RGP, Impact of Corrective and Preventive Actions of Green Policies on Organizational Performance in Manufacturing Sector in Anuradhapura District, 7th International Research Conference on Humanities and Social Sciences (IRCHSS)2021, University of Sri Jayewardenepura.
Bandara, K.B.T.U.K., Jayasundara, J.M.S.B., Gamage, S.K.N., Ekanayake, E.M.S., Rajapakshe, P.S.K., Prasanna, R.P.I.R., Abeyrathne, G.A.K.N.J. Entrepreneurial Marketing Dimensions and SME Performance. International Conference of Social Sciences (ICOSS), 2021. The International Institute of Knowledge Management (TIIKM). ISBN 978-624-5746-07-1
Gamage, S.K.N., Prasanna, R.P.I.R., Ekanayake, E.M.S., Jayasundara, J.M.S.B., Rajapakshe, P.S.K., Bandara, K.B.T.U.K., and Abeyrathne, G.A.K.N.J. Business Practices and SME Performance: A Case of Sri Lanka. International Conference of Social Sciences (ICOSS), 2021. The International Institute of Knowledge Management (TIIKM). ISBN 978-624-5746-07-1
Abeyrathne, G.A.K.N.J., Prasanna, R.P.I.R., Gamage, S.K.N., Ekanayake, E.M.S., Jayasundara, J.M.S.B., Rajapakshe, P.S.K., and Bandara, K.B.T.U.K. Affecting Factors for Technological Adoptation of Agro-Based Small and Medium Enterprises (SMEs) in Sri Lanka. International Conference of Social Sciences (ICOSS), 2021. The International Institute of Knowledge Management (TIIKM).
Abeyrathne, G.A.K.N.J., Prasanna, R.P.I.R., Gamage, S.K.N., Jayasundara, J.M.S.B., Ekanayake, E.M.S., Rajapakshe, P.S.K., and Bandara, K.B.T.U.K. What are the Factors that Stimulate the Innovations of Small and Medium Enterprises (SMEs)? Evidence from Agro-based SMEs in Sri Lanka.
Prasanna, R.P.I.R., Gamage, S.K.N., Jayasundara, J.M.S.B., Ekanayake, E.M.S., Rajapakshe, P.S.K., Abeyrathne, G.A.K.N.J. Changing the Dimension of SME-Led Business Model in the Global Covid 19 Pandemic: Evidence from Agro-based SMEs in Sri Lanka. 3^rd International Symposium on Social Sciences and Humanities (ISSSH), 2020, National Center for Advanced Studies (NCAS), Sri Lanka.
International Conference of Social Sciences (ICOSS), 2021. The International Institute of Knowledge Management (TIIKM).
Ekanayake, E.M.S., Prasanna, R.P.I.R., Jayasundara, J.M.S.B., Gamage, S.K.N., Rajapakshe, P.S.K., Abeyrathne, G.A.K.N.J., Gunasena, K.A.K.I.C. Cultural Heritage and Traditional SMEs: Survival Challenges in Contemporary Sri Lanka. 3^rd International Symposium on Social Sciences and Humanities (ISSSH), 2020, National Center for Advanced Studies (NCAS), Sri Lanka.
Aravinda, MAKN, Rajapakshe, PSK, Sandaruwan RGP.(2020), Impact of Green Intra and Extra Sustainable Manufacturing Practices on Organizational Economic Sustainability in the Manufacturing Sector Organizations in Anuradhapura District. 3rd National Research Symposium on Management, 20^th August,2020, Rajarata University of Sri Lanka, Mihintale, Sri Lanka.
Ekanayake, E. M. S., Jayasundara, J. M. S. B., Abeyrathne, G. A. K. N. J., Naradda Gamage, S. K., Rajapakshe, P. S. K., & Prasanna, R. P. I. R. (2020). Determinants of Technological Progress of SMEs in the Era of Economic Globalization: A Systemic Review. 3rd National Research Symposium of Management, Rajarata University of Sri Lanka, 20^th August, 2020 Mihintale, Sri Lanka.
http://repository.rjt.ac.lk/handle/123456789/2897
Naradda Gamage, S. K., Ekanayake, E. M. S., Abeyrathne, G. A. K. N. J., Prasanna, R.P. I. R., Jayasundara, J. M. S. B., Rajapakshe, P. S. K. (2020). The Survival Strategies of Small and Medium Enterprises (SMEs) Facing the Global Challenges. 3rd National Research Symposium of Management,20^th August, 2020 Rajarata University of Sri Lanka, Mihintale, Sri Lanka.
http://repository.rjt.ac.lk/bitstream/handle/123456789/2901/77.pdf?sequence=1
Gunawardhana, L.M.A.P, Rajapakshe, P.S.K,Jayasundara, J.M.S.B.Spatial and Temporal Variations and Community Perception of CKDu as a Societal Hazard: A Case Study from Medawachchiya, Sri Lanka, Procceding of the Rajarata International Research Conference, 6-7 November, Rajarata University of Sri Lanka.
https://www.rjt.ac.lk/wp-content/uploads/2022/08/RIRC2019-conference-booklet.pdf
Subasinghe, P.M.G.S.S, Rajapakshe,P.S.K, Duminda, D.M.S and Wijesundara W.M.G.D.C. 2018), Community Preferences for Ecosystem Service Improvements: Case Study in Habarawatta Tank Cascade System (HTCS) in Galnewa DS Division in Anuradapura District, The proceedings of the 4th International Research Symposium of Rajarata University of Sri Lanka, 17th- 18th October 2018, RUSL
Kumarasiri, H.D.K.G.G and Rajapakshe,P.S.K, Potentials in utilizing biogas for cooking: A case in Sri Lanka army. (2018), The proceedings of the 4th International Research Symposium of Rajarata University of Sri Lanka,17th- 18th October 2018, RUSL
Muthuthanthirige, D.L and Rajapakshe, P.S.K. Role of Kandyan home gardens in enhancing livelihhods in Purijjala, Mathale District in Sri Lanka, 2018),The proceedings of the 4th International Research Symposium of Rajarata University of Sri Lanka, 17th-18th October 2018, RUSL
Senadeera, K.W.M.P, Rajapakshe, P.S.K., Jayasundara, J.M.S.B, Herath, N.S.K, Bulankulama, S.W.G.K, Niranjala and Gunarathne, G.S.P.(2018) Prevalence of the Chronic kidney diseases of unknown etiology(CKDu) among traditional and new settlements:Socio-anthropological perspective.The proceedings of the 4th International Research Symposium of Rajarata University of Sri Lanka, 17th-18th October 2018, RUSL.
Dilanjani H.U.K, P.S.K Rajapakshe and A.K.R Sammera, Restoration of the cascade system as a solution to water scarcirty in drought periods: A review of the potential in the dry zone of Sri Lanka, Book of abstracts of the 2nd International Conference on Climate Change, Colombo, March 2018.
Rajapakshe,P.S.K, Madusanka, A.M.D.K, Jayarathna, J.H.P and Yaparathne, Health impacts of drought: a case study of the Anuradhapura District. Proceedings of the National Conference on Understanding and Managing Unsettled Drought, 25-26 July 2017, RUSL.
Athurupana, ANPWMRCP and Rajapakshe, P.S.K, Review of effectiveness of adaptation strategies to climate change in developing countries, Proceedings of the National Conference on Understanding and Managing Unsettled Drought, 25-26 July 2017, RUSL.
Wanninayake, W.M.S.B. and Rajapakshe, P.S.K. Possible measures for drought risk reduction in the dry zone of Sri Lanka. Proceedings of the National Conference on Understanding and Managing Unsettled Drought, 25 -26 July 2017, RUSL.
Rajapakshe, P.S.K , “Cost of Water Access and Quality Improvements”, Proceedings of the National Conference on Understanding and Managing Unsettled Drought, 25-26 July 2017, RUSL
Rajapakshe, P.S.K, Termansen, M, Paavola, J. Societal Demand for domestic for domestic water provision and service improvements in Sri Lanka: An application of choice modeling and averting behavior approach, envecon 2013, UK Network of Environmental Economists, 15th March 2013, Royal Society, London.
Rajapakshe, P.S.K, Termansen, M, Paavola, J. “Market for Improved Water Provision in Developing Countries: An Application of Choice Experiment Method”, Presented in International Interdisciplinary Workshop on Regulatory and Institutional Frameworks for Markets for Ecosystems Services, 6 -7 June 2012, University of Surrey, UK.
Rajapakshe, P.S.K, Termansen, M, Paavola, J “Societal Preference and Preference Heterogeneity in Water Service Improvements: Case Study in Sri Lanka”, Presented in Danish Economic Councils’ Environmental Economic Conference, 27-28 August 2012, Skodsborg, Denmark.https://dors.dk/konferencer/miljoeoekonomisk-konference/tidligere-miljoeoekonomiske-konferencer/miljoeoekonomisk-5
Rajapakshe, P.S.K, Termansen, M, Paavola, J “Economic Valuation of Improved Water Supply Options in the Developing Countries: An Application of Choice Modeling in Sri Lanka”. Presented in Berlin Conference on Human Dimensions of Global Environmental Change: Evidence for Sustainable Development, 5 -6 October 2012, Berlin, Germany.
Dharmasena,K.H.G.M.P,Wickramasinghe,Y.M.,.Rajapakshe,P.S.K.(2007)“ Economic and Environmental Feasibilities of Slopping Agricultural Land Technology (SALT-A Case Study Conducted in Watawala Plantations Limited In Nuwara-Eliya District,Sri Lanka. ” 12th International Forestry and Environmental Symposium,Department of Environmental Science, University of Sri Jayewardenepura.
Rajapakshe, P.S.K, Gunaratne, L.H.P. (2005).Comparison of Residential Water Demand among Rural, Semi-Urban and Urban Sectors in the Central Province of Sri Lanka”, 17^th Annual Congress, Postgraduate Institute of Agriculture (PGIA), University of Peradeniya, Sri Lanka.
Rijas, M.A.M, Rajapakshe, P.S.K and Athauda, A.M.T.P,Gajanayake, KGMCPB (2006) “Viable Approach Towards the Sustainable Utilization of Negombo Lagoon”(Abstract) ,11th International Forestry and Environmental Symposium,22-23 December 2006, Department of Environmental Science, University of Sri Jayewardenepura,Sri Lanka.
Dissanayaka, B.N.D and Rajapakshe, P.S.K., Potentials for managing waster papers: A case study of Rajarata University of Sri Lanka, Proceedings of the 1st Environmental Management Undergraduate Research Symposium, 26th January 2017, Department of Environmental Management, RUSL.
Senadheera, K.W.M.P and Rajapakshe, P.S.K, Public attitudes towards improper waste dumping sites: A special reference from Ambuluwawa, Proceedings of the 1st Environmental Management Undergraduate Research Symposium, 26th January 2017, Department of Environmental Management, RUSL.
Ranjith, K.V.D.S and Rajapakshe, P.S.K, Water pollution of Kelani River and how it affects to the Yatiyantota area, Proceedings of the 1st Environmental Management Undergraduate Research Symposium, 26th January 2017, Department of Environmental Management, RUSL.
Kodithuwakku, S.N and Rajapakshe, P.S.K, Contamination of Nuwarawewa and how it affects to the surrounding communities, Proceedings of the 1st Environmental Management Undergraduate Research Symposium, 26th January 2017, Department of Environmental Management, RUSL.
Dewaraj, K.E and Rajapakshe, P.S.K, Energy efficiency and energy conservation: A case study in Rajarata University of Sri Lanka, Proceedings of the 1st Environmental Management Undergraduate Research Symposium, 26th January 2017, Department of Environmental Management, RUSL.
Peiris, D.D.Y and Rajapakshe, P.S.K, Destruction of mangroves in Chilaw Lagoon, Proceedings of the 1st Environmental Management Undergraduate Research Symposium, 26th January 2017, Department of Environmental Management, RUSL.

Contributions at National and International Level

National and International Level Projects

Contributing as a Expert on Natural Capital Assessment for the project on Establishing a Natural Capital Valuation Review Mechanism, Center for Environment and Development funded by United Nations Deverlopment Programme (UNDP).
Contributed as the Sustainable Financing Expert for the successful International Grant Proposal ’Sri Lanka Coral Reef Initiative’ submitted to the Global Fund for Coral Reefs (GFCR) by the International Union for the Conservation of Nature( IUCN) -Sri Lanka in collaboration with the Ministry of Environment and the Ministry of Wildlife Conservation in Sri Lanka. (2023).
Contributed as a Expert Team Member of preparing the National Environmental Action Plan 2022-2030: Pathway to Sustainable Development, Ministry of Environment, Sri Lanka. Available@https://env.gov.lk/web/images/downloads/policies/NEAP_2022.pdf
Team member of the World Bank- AHEAD project proposal writing team, Faculty of Social Sciences and Humanities, Rajarata University of Sri Lanka.
Team member of the World Bank-AHEAD funded research project titled ‘’Assessing the predisposition of small and medium enterprise sector in developing Asian nations towards facing the competitive challenges: Case of Sri Lanka’’, Faculty of Social Sciences and Humanities, Rajarata University of Sri Lanka.
Contributed as a Team member of conducting Social Baseline Study and Public Consultation and Disclosure Programme for Meegaswewa Sanitary Landfill in the Polonnaruwa District of the North Central Province (2018), Rajarata University of Sri Lanka, Prepared for the Central Environmental Authority of Sri Lanka.
Contributed as a Team member for the report ‘Citizens’ Engagement in the Budgetary Process -2017: The North Central Province’ (2016), Rajarata University of Sri Lanka for the Ministry of Finance, Sri Lanka.
Served as a Team Leader of the Research Project on ’Analysis of environmental and socio-economic impacts associated with the Chronic Kidney Disease of Uncertain Etiology (CKDu) prevailing in the North Central Province of Sri Lanka: a decison support study’ conducted by the Faculty of Social Sciences and Humanities, Rajarata University of Sri Lanka.
Served as a Deputy Team Leader of the project North Central Provice Draught Research Project conducted by the Faculty of Social Sciences and Humanities, Rajarata University of Sri Lanka.
Contributed as one of the main authors for the Final report submitted to the EU (2014) on “Relationships Between Biodiversity, Ecosystem Services and Values in Case Studies, PART I: Literature Review of the Relationships Between Biodiversity, Ecosystem Services and Values, BESAFE Project, EC Contract Ref: FP7-ENV-2011- 282743. P.A. Harrison, M. Termansen, P.M. Berry, M. Blicharska, U. Brandweiner, M. Bucur,R. Dunford, B. Egoh, N. Geamănă, W. Geertsema, J.R. Haslett, H. Lindhjelm, E. Lommelen, L. Martinsen, L. Mathieu,L. Meiresonne, F. Møller, C. Polce, P. Rajapakshe, J. Smart, G. Simpson, R. Tinch and F. Turkelboom. (Full report available@ http://besafe.pensoft.net/deliverables.php?P=4&SP=32
Contributed for Impacts of slum water supply improvements on city-level water and energy consumption research project. , water@leeds, University of Leeds, UK.
Performed as a Field investigator of the Padaviya Development Report Project conducted by the Faculty of Social Sciences & Humanities, Rajarata University of Sri Lanka on behalf of North Central Provincial Council, Sri Lanka.

Invited Resource Person

Resource person for the invited talk in the Ecosystem Services Seminar Series of the Centre for Social Science and Environment(CENSE), Faculty of Science, University of Copenhagen, Denmark on 12^th September 2012.
Title of the talk: water quality, demand and demand for water service improvements: Sri Lankan Experience.

Resource person for the invited talk in the green talk series organized by the Green Building Council of Sri Lanka, 6th April 2021.
Title of the talk: Economics of Environmental Management: From Developing Country Perspective.
Resource person for the meeting with the members of BIODIVERSITY SRI LANKA briefing on Sri Lanka Coral Reef Initiative (SLCRI) funded by Global Fund for Coral Reefs (GFCR), Organized by BIODIVERSITY SRI LANKA and IUCN, 6th July 2023.
Title of the talk: Introduction to blended and Innovative Finance Options for Coral Reef Conservation.
Resource person for the guest lecture at the Skills Development Program on the 15th of September 2023, CCBT Campus, Anuradhapura.

Resource person for the stakeholder consultation workshop for preparation of activity plan for the project on ’ Natural Capital Values of Coastal and Marine Ecosystems in Sri Lanka Integrated into Sustainable Development Planning’ (Funded by Global Environment Facility-GEF) organized by the Ministry of Environment and IUCN, 21st March 2023.

Resource person for the discussion forum organized as a part of the “National Conference on Understanding and Managing Unsettled Drought” conducted by the Department of Environmental Management and the Department of Social Sciences of the Faculty of Social Sciences and Humanities of Rajarata University of Sri Lanka, 26th July 2017.

Resource Person for the round table discussion on ‘Payments for Ecosystem Services (PES)’ organized by the UNDP under the BIOFIN programme was held on 29-31st May 2018 in Colombo, Sri Lanka.

Resource person for Career Fair Organized by the District Secretariat Anuradhapura on 14^th March 2022, Representing the Rajarata University.

Resource person for the panel discussion on the Title ‘COVID-19- Human Health and Environment ’ organized by the Rajarata University of Sri Lanka Alumni Association, 21^st November 2020.
Resource Person for the Training Programme conducted for training the Data Collectors of the above project which was held on 10^th June 2020 at the Faculty of Social Sciences and Humanities, Rajarata University of Sri Lanka, Mihintale.
Resource Person for the workshop on Entrepreneurship Training Programs for SMEs in Polonnnaruwa District which was held on 16^th March 2022 at the Community Hall in Kuruppu Junction, Polonnaruwa, Sri Lanka.
Resource Person the Expert Group Meeting on ‘Valuation of Ecosystem Services and Innovative Financing Mechanisms for Sustainable Land Management’, 25th November 2019 at National Agriculture Information and Communication Centre (NAICC), Gannoruwa, Peradeniya, Sri Lanka.

Master Praposal/Thesis Supervision/Evaluation

MBA Dissertation Supervison of: Exploring the potentials of utilizing bio-gas in the Sri Lanka Army Maj.HDKGG Kumarasiri, MBA in Logistics Management, General Sir John Kothalawala Defense University (Completed).

MBA Dissertation Evaluation, General Sir John Kothalawala Defense University.

PhD Praposal Evaluation, Faculty of Agriculture and Plantation Management, Wyamba University of Sri Lanka.

Mphil Praposal Evaluation, Faculty of Agriculture, Rajarata University of Sri Lanka.

Curriculum Planning and Development/Review

Review the Curriculum of BSc in in Marine Environment Management, Ocean University of Sri Lanka
Prepared the course modules ‘Property Rights Management in Plantations’ and ’Environmental Law and Legislations’ for proposed B.Sc in Plantation Crop Technology degree programme for National Institute of Plantation Management (NIPM), Sri Lanka, 2021.
Prepared the course module ‘Environmental Economics’ for the Department of Chemical Sciences, Faculty of Applied Sciences, Rajarata University of Sri Lanka, 2021.
Prepared the course module ‘Environmental Economics’ for the Department of Economics, Rajarata University of Sri Lanka, 2020.
Prepared the course module ‘Environmental Valuation’ for the Department of Economics, Rajarata University of Sri Lanka, 2020.
Prepared the course module ‘Business and Environmental Management’ for the Department of Business Management, Faculty of Management Studies, Rajarata University of Sri Lanka, 2021.Prepared the course modules ‘Statistics for Environmental Managers’, ‘Economics for Environmental Management’, ‘Environmental Economics’, ‘Project Management’, ‘Research Methodology’, ‘Conservation Financing’, ‘Environmental Accounting and Valuation’, ‘Data Analysis in Environmental Management’, ‘Advanced Environmental and Natural Resources Economics’ for the Department of Environmental Management under the OBT-LCT curriculum revision in 2020., Department of Environmental Management, Rajarata University of Sri Lanka.
Prepared the course modules’ Statistics for Environmental Managers, and Environmental Sustainability for proposed B.A External Degree of the Faculty of Social Sciences and Humanities, Rajarata University of Sri Lanka.
Prepared the course module ‘Principles in Environmental Economics’ for the Diploma in Environmental Management program conducted by the Department of Environmental Management, Rajarata University of Sri Lanka.
Prepared the course module ‘Environmental Economics’ for the proposed MA/MSc degree programme of the Department of Environmental Management, Faculty of Social Sciences and Humanities, Rajarata University of Sri Lanka.
Chairman, Curriculum Development Committe, Faculty of Social Sciences and Humanities, Rajarata University of Sri Lanka.
Coordinator in Environmental Management for curriculum revision in the Faculty of Social Sciences and Humanities, RUSL.2020.

Strengthening Research Capacity in the Higher Education Sector

Editor in Chief, Sri Lanka Journal of Economic Research published by Sri Lanka Forum of University Economists (SLFUE)
Volume 6 Number 1 November 2018
Volume 6 Number 2 June 2019
ISSN 2345-9913
Co-Editor, Rajarata Journal of Social Sciences Vol.2.No.1, January 2016, Department of Social Sciences, Rajarata University of Sri Lanka.
ISSN:2362-0366
Co-Editor in Chief, Journal of Tropical Environment, Vol. 2, Issue 1, June 2022, Department of Environmental Management, Rajarata University of Sri Lanka
ISSN 2950-6808
Co- Editor of Proceedings of 6^th International Conference of the Sri Lanka Forum of University Economists: Sri Lanka Economics Research Conference (SLERC)
ISSN 2279-2406.

Editor in Chief of the Proceeding of the 4^th International Research Symposium of Rajarata University of Sri Lanka, investing in Biodiversity and Ecosystem Services (ISIBES 2018) under the theme of ‘Caring Nature-Creating Wealth’ in collaboration with BIOFIN Programme of UNDP-Sri Lanka.
ISSN 2235-9710

Member of the Editorial Board for the proceeding of the National Conference on Understanding and Managing Unsettled Drought, 25-26 July 2017, Department of Environmental Management and Department of Social Sciences, RUSL
ISBN 978-955-0189-10-6

Member of the Editorial Team for the Book ‘Sustainability of Agriculture Settlement Schemes in the Dry Zone of Lanka: Issues, Challenges, and Path Ahead: A Collection of Empirical Works’, published by the Department of Economics Faculty of Social Sciences and Humanities Rajarata University of Sri Lanka.
Co-Editor of Proceedings of 6^th International Conference of the Sri Lanka Forum of University Economists: Sri Lanka Economics Research Conference (SLERC).
ISSN 2279-2406
Editorial Board Member for the book of abstract proceeding of Rajarata University International Symposium on English Language Teaching (RUISELT-2021), Faculty of Social Sciences and Humanities, RUSL
ISSN 2792-1344
Editorial Board Member – Journal of Tropical Environment
Volume 1 Number January 2018
ISSN 2613-8379
Reviewer, Journal of Natural Hazards, Springer
ISSN:15730840, 0921030X
Reviewer, Sri Lanka Journal of Economics Research (SLJER)
Volume 6 Number 2 June 2019
Volume 8 Number 1 December 2020
ISSN 2345-9913
Reviewer, Journal of Tropical Environment
Volume 1 Number 1 January 2018
Volume II Number 1 June 202
ISSN 2950-6808
Reviewer, Journal of Archeology and Heritage Management Volume 6 Issue III
Reviewer
Journal of Management Matters
Volume 4 Number 1 September 2017
Volume 6 Number 1 September 2019
ISSN 1391-7099
Reviewer, Sri Lanka Journal of Economics Research (SLJER)
Volume 6 Number 2 June 2019
Volume 8 Number 1 December 2020
ISSN 2345-9913
Reviewer, Journal of Tropical Environment
Volume 1 Number 1 January 2018
Volume II Number 1 June 2022
ISSN 2950-6808
Reviewer
Journal of Management Matters
Volume 4 Number 1 September 2017
Volume 6 Number 1 September 2019
ISSN 1391-7099
Reviewer, Journal of Rajarata Economic Review
ISSN 2827-7554
Reviewer, Journal of Archeology and Heritage Management Volume 6 Issue III
Reviewer, Journal of the National Institute of Plantation Management, Athurugiriya, Sri Lanka.
Panel Chair, Internatonal Research Sysmposum, Faculty of Social Sciences and Humanities, Rajarata University of Sri Lanka. 17th December 2024.
Panel Member of the Undergraduate Research Symposium (FAuRS),
Faculty of Agriculture, University of Peradeniya, 26th March 2024,
Panel member of the 17th Annual Research Forum (ARF) of Sri Lanka Agricultural Economics Association, 18th of December 2023 at the Oak Ray Regency Hotel, Kandy.
Reviewer, International Conference on EcoHealth Nexus: Bridging Cascade Ecology and Human Well-being Rajarata University of Sri Lanka (ICEN-2023).
Reviewer,2^nd National Research Symposium of Social Sciences and Humanities (NRSSSH-2023), Faculty of Social Sciences and Humanities, Rajarata University of Sri Lanka. 31^st October 2023.
Discussant to the technical session Consumer Behavior and Marketing of the 1st International Conference on Sustainable Digital Business organized by the SLIIT Business School was held on 2nd December 2022 at SLIIT, Malambe, Sri Lanka.
Session Chair, 10th International Economic Research Conference of the Sri Lanka Forum of University Economists (SLFUE), PGIA, University of Peradeniya, 27-28 January 2022.
Discussant to the technical session of the 7th International Economic Research Symposium, 17-18, 2019, PGIS, University of Peradeniya.
Reviewer,5th International Research Conference of the Rajarata University of Sri Lanka, 6-7 November 2019.
Session chair, 5th International Research Conference of the Rajarata University of Sri Lanka, 6-7 November 2019.
Reviewer and Session Chair, 8th International Economic Research Conference of the Sri Lanka Forum of University Economists (SLFUE), 20th December 2019, Wayamba Univeristy of Sri Lanka.
Session Chair, 8th International Economic Research Conference of the Sri Lanka Forum of University Economists (SLFUE), 20th December 2019, Wayamba Univeristy of Sri Lanka.
Panel member, 5th Symposium of Accounting and Finance Researches, Department of Accountancy, Waymaba University of Sri Lanka was held in 28th June 2019.
Chair, 4th International Research Symposium of Rajarata University of Sri Lanka organized by the Faculty of Social Sciences and Humanities in collaboration with the United Nations Development Programme,17th-18th October 2018 at Rajarata University of Sri Lanka.
Editor in Chief, 4th International Research Symposium of the Rajarata University of Sri Lanka organized by the Faculty of Social Sciences and Humanities in collaboration with the United Nations Development Programme,17th-18th October 2018 at Rajarata University of Sri Lanka.
Reviewer of extended abstracts and panel member of the 4th International Research Symposium of Rajarata University of Sri Lanka organized by the Faculty of Social Sciences and Humanities in collaboration with the United Nations Development Programme, 17th-18th October 2018 at Rajarata University of Sri Lanka.
Panel member, 2nd International Research Symposium, Uva Wellassa University of Sri Lanka,1-2 February 2018, Uva Wellassa University, Sri Lanka.
Panel Member, 10th Annual Research Symposium, 5th September 2018, Faculty of Agriculture, Rajarata University of Sri Lanka.
Evaluation Panel Member, 2nd International Conference on Climate Change, 15th-16th February 2018, Colombo, Sri Lanka.
Reviewer, National Research Symposium on Historical Studies organized by the Department of Humanities, Rajarata University of Sri Lanka., 30th January 2018, Rajarata University of Sri Lanka.
Session Chair, National Research Symposium on Historical Studies organized by the Department of Humanities, Rajarata University of Sri Lanka., 30th January 2018, Rajarata University of Sri Lanka.
Reviewer of papers, National Symposium on Sustainable Plantation Management, 10th March 2018, National Institute of Plantation Management, Sri Lanka.
Coordinator of Sri Lanka Economic Research Conference of the Sri Lanka Forum of University Economists (SLFUE) organized by the Rajarata University of Sri Lanka. on 23rd and 24th November, 2017.
Co-Editor of the Sri Lanka Economic Research Conference of the Sri Lanka Forum of University Economists (SLFUE) organized by the Rajarata University of Sri Lanka. on 23rd and 24th November 2017.
Track Coordinator, Sri Lanka Economic Research Conference of the Sri Lanka Forum of University Economists (SLFUE) organized by the Rajarata University of Sri Lanka. 23rd and 24th November 2017.
Reviewer of extended abstracts, Sri Lanka Economic Research Conference of the Sri Lanka Forum of University Economists (SLFUE) organized by the RUSL on 23rd and 24th November 2017.
Event Coordinator, National Conference on Understanding and Managing Unsettled Drought, 25-26 July 2017, Department of Environmental Management and Department of Social Sciences, Rajarata University of Sri Lanka.
Member of the Editorial Board, National Conference on Understanding and Managing Unsettled Drought, 25-26 July 2017, Department of Environmental Management and Department of Social Sciences, Rajarata University of Sri Lanka.
Member of the Editorial Board, 1st Environmental Management Undergraduate Research Symposium, Department of Environmental Management, 26th January 2017, Rajarata University of Sri Lanka.
Member of the Expert Review Panel, 1st Environmental Management Undergraduate Research Symposium, Department of Environmental Management, 26th January 2017, Rajarata University of Sri Lanka.
Member of the Organizing Committee and Adversary Board, 1st Environmental Management Undergraduate Research Symposium, Department of Environmental Management, 26th January 2017, Rajarata University of Sri Lanka.
Session Chair, 1st Environmental Management Undergraduate Research Symposium, Department of Environmental Management, 26th January 2017, Rajarata University of Sri Lanka.
Panel Chair, 1st Undergraduate Research Symposium, Faculty of Management Studies, 14th June 2017, Rajarata University of Sri Lanka.
Session Chair, 3rd International Research Symposium organized by the Faculty of Management Studies, 26th January 2016, Rajarata University of Sri Lanka.
Panel Member, 8th Annual Research Symposium, 11th February 2016, Faculty of Agriculture, Rajarata University of Sri Lanka.
Chaired the session, Private Sector, Small Business‟ in the in Berlin Conference on Human Dimensions of Global Environmental Change: Evidence for Sustainable Development, 5-6 October 2012, Free University, Berlin, Germany.

Other Contributions at University and National / International Level

Programme Reviewer for undergraduate degree programs in Sri Lankan Universities, Quality Assurance Council/University Grant Commision of Sri Lanka.
Secretary, Sri Lanka Agricultural Economics Association for 2024
Member of Expert Committee on Environmental Economics appointed by the Secretary to the Ministry of Environment, Sri Lanka.
Member, of the National Advisory Committee (NAC) for Sri Lanka Coral Reef Initiative (SLCRI): IUCN Sri Lanka in collaboration with the Ministry of Environment and Ministry of Wildlife Conservation, Sri Lanka.
Attended the parliament sectoral oversight committee on An Open and Accountable Government representing Rajarata University on 10^th August 2023.
Examination Supervisor, University of Leeds, UK.
Proceeding Committee Member of National Symposium on Sustainable Plantation Management, 10th March 2018, National Institute of Plantation Management, Sri Lanka.
Charing the session ’Private Sector and Small Business in the in Berlin Conference on Human Dimensions of Global Environmental Change: Evidence for Sustainable Development, 5-6 October 2012, Berlin, Germany.
Academic and Research Forum Member for the UN Sri Lanka REDD + programme.
Executive Committe Member of the Rajarata University Alumni Association.
Nominated as a member representing Rajarata University of Sri Lanka for academic pool for Sustainable Development of the Ministry of Sustainable Development and Wildlife, Sri Lanka.
Chief Examiner- Economics, A/L Paper Marking-2018,2020

Faculty Appointments: Committees

Committee Member- Making Guidelines for Human Resource Development of the Faculty.
Committee Member- Faculty News Letter Committee.
Committee Member-Career Guidance Policy Committee.
Committee Member- Differently Able Student Committee.
Committee Member- Space Management Plan Committee.Committee Member-Faculty Action Plan Committee.
Committee Member-Promoting Ethnic Harmony, Multicultural Activities and Social Cohesion Committee.
Committee Member-Curriculum Development Committee.
Committee Member-Staff Development and Students Exchange Policy Committee.Committee Chairman-Examination Policy Committee.
Committee Member-Academic Accountability Policy Committee.Committee Member-Academic Calendar Committee.
Committee Member- Staff Development Committee.Committee Member- Human Resource Development Committee.
Committee Member- Differently Able Student Committee.Committee Member-Programme for Promoting Ethnic Harmony, Multicultural Activities and Social Cohesion Committee.
Committee Member-Curriculum Development Committee.
Chairman-Gold Medal Selection Committee 2016-2018

Memberships and Awards

Fellowship for colloborative research from York Environmental Sustainability Institute (YESI), University of York, UK.2025.
Commonwealth Scholarship to follow PhD in the School of Earth and Environment, University of Leeds.
Singapore Cooperation Programme/ UNEP Award for a training programme on ‘Environmental Leadership Programme for Sustainable Development’ under the Singapore Cooperation Programme and UNEP representing the Government of Sri Lanka, 4-8 July 2022.
South Asian Network for Development and Environmental Economics (SANDEE) scholarship to follow the Summer School on Environmental and Natural Resource Economics, 5-19 May 2019, AIT, Thailand.
UNDP/USAID and RRC.AP scholarship to follow the training on Economics of Climate Change, from 21st August to 1st September 2017 in AIT, Thailand.
Visiting PhD research scholarship from the Aarhus University Research Foundation, Department of Environmental Science, Aarhus University, Denmark, 2012.
IDRC, Canada Scholarship to follow the short course on “Environmental & Resource Economics” organized by the EEPSEA, Thailand, 2006.
UNDP-BIPFIN grant for the 4th International Research Symposium of Rajarata University of Sri Lanka.
NSF grant for the 6th International Conference of Sri Lanka Forum of University Economists: Sri Lanka Economics Research Conference, 23-34 November 2017, Rajarata University of Sri Lanka

Membership in Professional

Life Membership, Sri Lanka Association of Advancement of Science ( SLASS)
Life Membership, Sri Lanka Forum of University Economists (SLFUE)
Life Membership, Sri Lanka Agricultural Economics Association
Member of the South Asian Network for Development and Environmental Economics (SANDEE)
Life Member of the Rajarata University Alumni Association. •Member of the Commonwealth Alumni Association

University – Level Positions Held

Head, Department of Environmental Management, Rajarata University of Sri Lanka
Acting Director, Center for Distance and Contusing Education (CDCE), Rajarata University of Sri Lanka
Deputy Director (Examinations) Center for Distance and continuing Education, Rajarata University of Sri Lanka
Chairman, Curriculum Development Committee, Faculty of Social Sciences and Humanities.
Contribution to the proposed Master of Arts in Development Studies program, Department of Economics, Rajarata University of Sri Lanka
Prepared Examination and Assessment Policy and Bylaws for the Faculty, serving as the Chairman of the Committee.
Served as the Coordinator for signing MoU with industrial Partners for providing Industrial Training for the final year students of the Faculty of Social Sciences and Humanities, Rajarata University of Sri Lanka.
Member of the University Senate, Member of the Management Committee of CDCE, Member of the Finance Committee.
Student Counselor (Carrier Guidance), Faculty of Social Sciences and Humanities(April 2016- March 2019)
University Warden and Student Councellor-2020/21
Quality Assurance Coordinator-Department of Environmental Management (2017-2019)
Faculty Coordinator-University Business Linkage cell-RUSL since July 2018-2019
Subject Coordinator in Environmental Management, Faculty of Social Sciences and Humanities (2005-2008)
Senior Treasurer, Sarasavi Nature Club, RUSL
Board of Study Member, Tamil Language Certificate/Diploma Course, RUSL
Board of Study Member, Postgraduate Diploma in Education, RUSL
Board of Study Member, Diploma in Environmental Management, RUSL
Chairperson for the Board of Study of Diploma in Environmental Management, RUSL