Thammarat Koottatep is a Professor of the Environmental Engineering Management program and Co-Director of Global Water and Sanitation Center of the Asian Institute of Technology (AIT), Thailand. He is an internationally recognized professional on fecal sludge management, sanitation systems, nature-based solutions for waste and wastewater management, wastewater treatment technology, reinventing toilet technology and marine plastic pollution. His major scholarly contributions include publications of more than 90+ refereed international journal papers, 8 books, and 9 book chapters. He has invented sanitation/toilet technologies, one of which is patented to his credits and several are filing. He has recently developed and serving as coordinator of 1-year Master degree programs in “Marine Plastics Abatement” and “Regenerative Sanitation”. He has secured significant funded projects including, research and training grants, and most notably, the Bill & Belinda Gates Foundation grants on “Decentralized Wastewater Management in Developing Countries: Design, Operation and Monitoring”. He has contributed significantly to capacity building in faecal sludge management, decentralized wastewater treatment systems and marine plastic pollution in Thailand and abroad, including capacity strengthening for policy makers.

Since 2023, he is a member of the Advisory Board for IWA’s Inclusive Urban Sanitation initiative.