Representing and resourcing at national and regional programmes on; energy, environment, cleaner production, SCP, green productivity, climate change and sustainable development with donor agency (JICA, ADB, GIZ, USAID, UNDP, UNEP, WB, IUCN etc.) supported project activities / assignments, etc. •National climate change related activities representing advisory committees (National expert committee on mitigation, Policy analysis, Data sharing network development and national Green Climate Fund etc.), •GHG inventory development, report and review,oMember to the roster of UNFCCC national experts on climate change GHG inventory Review,oNational GHG inventory preparation (IPCC guidelines based) for Sri Lanka Second National Communication,oNational GEG inventory review (for Sri Lanka third national communication),•Energy auditing and reporting,•Environment and Cleaner Production auditing and reporting,•designing and conducting capacity building programmes on Climate change, GHG inventory, Environment pollution control, sustainability, Energy management, Green productivity etc.,•Organizational GHG Evaluation / Management programmes, GHG verification and Validation (ISO 14064 based),•Technical consultancies on energy, environment, climate change and sustainable productivity, Sustainable consumption and production,•Project development, preparation of proposals, Project / organizational management,•Visiting lecturer to Sri Lanka Institute of Information Technology – SLIIT campus (Subjects - Engineering sustainable development and sustainable energy management), •Senior visiting resource person / lecturer (Green Productivity) – National Productivity Secretariat •National level award evaluation panel member; National Energy Efficiency Award by Sri Lanka Sustainable Energy Authority and Sri Lanka Presidential Green Award by Central Environmental Authority, Sri Lanka,•certified trainer on sustainable consumption and production,•Industry (manufacturing and management) experience (13 years) at a senior management level.