Bijon Kumer MITRA is a Deputy Director of the Integrated Center for Sustainability and Water and Adaptation Unit of the Institute for Global Environmental Strategies in Japan. He has more than 17 years of experience in the field of integrated natural resource management with a focus on sustainable water resource management. He uses quantitative assessment framework to assess natural resource allocation trade-offs, aiming to provide guidance for optimal decision-making. His research interests include water-energy-food-climate nexus, water environment management and rural-urban linkages. He leads the Circulating and Ecological Sphere (CES) projects at IGES. Mitra holds a PhD degree in Science of Biotic Environment from Iwate University, Japan.