Senior Researcher, Sustainable Environment Research Institute, Chulalongkorn University, Thailand Profile / Bio Profile / Bio Over the past decade, Dr. Sujitra's research has focused primarily on solid waste management, with an emphasis on plastic and food waste, extended producer responsibility (EPR), and circular economy policies and strategies. At the national level, Sujitra is a member of the Plastic and Electronic Waste Management Sub-Committee under the National Environmental Board, and also serves on the Steering Committee on Packaging Management for the Circular Economy and EPR under the Ministry of Natural Resources and Environment. She holds a PhD in Environmental Economics from Hiroshima University, Japan. Materials Title Date Learning Materials Topics Modelling the Reduction of Marine Plastic Pollution through Economic Instruments: A Case Study of Thailand 25 June, 2025 Slides Environment, Urban Development