Professor of Environment Science
Department of Zoology, University of Colombo, Colombo 3.
Department of Zoology, University of Colombo, Colombo 3.
Zoology Division, Open University of Sri Lanka
Zoological Division, Faculty of Natural Sciences, Open University of Sri Lanka
Division of Zoology, Faculty of Natural Sciences, Open University of Sri Lanka
Division of Zoology, Faculty of Natural Sciences, Open University of Sri Lanka
Department of Zoology, Faculty of Natural Sciences, Open University of Sri Lanka
National Science Council (Presently National Science Foundation) on Grant 2/RG/72/37
National Science Council (Presently National Science Foundation) on Grant 2/RG/72/37
Masters Degree. International Center for Protected Landscape, University College of Wales, Aberystwyth, Dyfed, Wales
Brandies University, Bostan
Konan University, Japan
Bharathi University, Coimbator, India
Salim Ali Center for Ornithology and Natural History (SACON), Coimbator, India
Department of Zoology, Open University of Sri Lanka
Department of Zoology, Open University of Sri Lanka
Department of Zoology, Open University of Sri Lanka
Department of Wildlife Conservation
USAID: Community Participatory Conservation Initiatives - Nishogara, Bangladesh
Department of National Museums
Central Environmental Authority
Central Environmental Authority
Department of Wildlife Conservation
Central Environmental Authority
Sri Lanka Foundation
Central Environmental Authority
National Academy of Science, Sri Lanka
President, Sri Lanka Association for the Advancement of Science, Sri Lanka
President, Sri Lanka Association for the Advancement of Science, Sri Lanka
Institute of Biology, Sri Lanka
Country representative, Commission on National Parks and Protected Areas/World Conservation Union (IUCN).
Important Bird Areas Programme Asia, BirdLife Asia Council
IGBP National Committee, Ministry of Environment
National Steering Committee, GEF Small Grants Scheme, UNDP
Environmental Research Identification Committee – Biodiversity, CEA
Presidential Task force on Development of Wildlife Conservation
Ministerial Task Force on Development of Wildlife Sector
Development and Conservation of Bird Paradises Ministry of Provincial Councils and Local Governments,
Udawalwe Special area Development Project, Mahaweli Authority of Sri Lanka
Technical Advisory Group, ADB Biodiversity Conservation Project, Government of Sri Lanka
Standing Committee on Science, University Grants Commission.
Standing Committee on Biological Sciences, University Grants Commission.
Steering Committee for the Compilation of the Directory of Environmental Education Activities and Resources, National Institute of Education,
Wayamba Provincial Environmental Authority
Education Sectoral Committee for the Implementation of the NCS Central Environmental Authority
Land Resources (Biotic) Sectoral Committee for the Implementation of the NCS Central Environmental Authority.
Land Use Policy Planning Committee /Land Use Policy Planning Division, Ministry of Lands, Irrigation and Mahaweli Development
Wannialoatto Trust –( Indigenous Peoples Trust) / Department of Wildlife Conservation
Wildlife Trust
Committee on Secondary Level Environment Education, Central Environmental Authority
Advisory Council, Zoological Survey of Sri Lanka, Natural Resources, Energy & Science Authority of Sri Lanka (presently National Science Foundation)
Technical Committee for Genetic Resources Conservation Natural Resources, Energy and Science Authority of Sri Lanka
National Sea Turtle Survey Committee , National Aquatic Resources Agency
Committee on Environment, Sri Lanka Association for the Advancement of Science
Coordination Committee on Research at Sinharaja, Department of Forest Conservation
Committee for the Protection and Management of the Muthurajawela Marshes, Greater Colombo Economic Commission
Working Group - Preparation of Environmental Profile of Muthurajawela and Negombo Lagoon, Greater Colombo Economic Commission
Technical Committee on Environment, Mahaweli Authority of Sri Lanka
Steering Committee for the Conference on Environmental Education - Central Environmental Authority of Sri Lanka
Sri Lanka Association for the Advancement of Science
Sri Lanka Association for the Advancement of Science
On the Department of Forest Conservation/ International Union for Conservation of Nature/World Wildlife Fund, Team for the “Consolidation of Sinharaja International Man and Biosphere Reserve” - Preparation of Management Plan
Environment, Mahaweli Development Area - Video Film Mahaweli Authority of Sri Lanka
Sub-committee to organize the workshop on “The Ecology and Conservation of Tropical Humid Forests of the Indo-malayan Realm” National MAB Committee, NARESA
Eco-tourism Society of Sri Lanka
The Eco-lodge Project - Deniyaya
Eco-tourism Society of Sri Lanka
University of Colombo: EN3007. (since 2000). For Masters Programme in Forestry & Environment - Sri Jayewardenepura University. Diploma in Tourism Economics & Management - University of Colombo
Bird Friendly Tourism, BirdLife Asia Council
National Amateur Aquatic Sports Union of Sri Lanka
National Amateur Aquatic Sports Union of Sri Lanka
Sri Lanka Environment Congress
Mihikatha Trust Fund (Sri Lanka Environment Congress)
“Vidusara” Weekly Science Journal, Upali Newspapers Limited, Sri Lanka.
University of Colombo
University of Colombo
Field Ornithology Group of Sri Lanka, University of Colombo
Field Ornithology Group of Sri Lanka, University of Colombo
Young Zoologists’ Association, National Zoological Gardens
Young Zoologists’ Association, National Zoological Gardens
Sri Lanka Natural History Society
Sri Lanka Natural History Society
Field Ornithology Group of Sri Lanka
Institute of Biology
University of Colombo
University of Colombo
Sports Advisory Council, University of Colombo
BirdLife International, Cambridge
Bird Life Asia Council, Bird Life International, Cambridge
Bird Life Asia Council, Bird Life International, Cambridge
Asian Wetland Survey - World Wide Fund for Nature (WWF)/World Conservation Union (IUCN)
Oriental Bird Club - United Kingdom
ASIAN RED DATA PROGRAMME. Birdlife International/ Birdlife Asia Council
Technical Guidelines for Assessing Climate Change Impacts and Adaptation. Inter Parliamentary Panel on Climate Change
Important Bird Area Programme Birdlife Asia Council
Pan Asian Ornithological Congress
Ministry of Environment
Protected Area Management & Wildlife Conservation Project (ADB)
Ministry of Transport, Environment & Women’s Affairs
Wetland Conservation Project/ Euro consult.
Indira Gandhi Open University of India
Wildlife research methodology. Department of Wildlife Conservation Training Center, Giritala
Field Study Centers Programme – established in the schools under the ADB funded, Secondary Education Modernization Programme (SEMP) 08 - Workshops at Sinharaja for 160 Teachers, from Provinces
National Biodiversity Experts Committee Ministry of Environment
Biodiversity & Environment Research Committee, National Science Foundation
National Biodiversity Experts Committee Ministry of Environment
Thematic Committee on Environment Protection & Sustainable Development, National Science Foundation
National Wetland Conservation Policy - Ministry of Environment
Strategy for the Preparation of A Biodiversity Action Plan for Sri Lanka, Ministry of Transport, Environment & Women’s Affairs.
National Biodiversity Experts Committee Ministry of Transport, Environment & Women’s Affairs,
National Biodiverity Co-ordinating Committee Ministry of Transport, Environment & Women’s Affairs.
Wildlife Trust of Sri Lanka, Sri Lanka
Government of Sri Lanka, World Bank Programme
National Wildlife Policy of Sri Lanka – Department of Wildlife Conservation, Government of Sri Lanka
National Conservation Strategy - Government of Sri Lanka
Wildlife Sector Study on the Environmental Impact Assessment of the Accelerated Mahaweli Project TAMS Report - Mahaweli Authority of Sri Lanka