Dr M. Monirul Qader Mirza has extensively researched on hydrological and climate extremes, natural hazards and their management, climate change and water resources and associated vulnerability, impact and adaptation and environmental impacts of water diversions from the transboundary rivers. He received his PhD from the International Global Change Institute (IGCI), University of Waikato, Hamilton, New Zealand on climate change and flooding in Bangladesh in 1998. He contributed as a Coordinating Lead Author (CLA) to the Special Regional Report and the Third Assessment Report (TAR) of the Intergovernmental Panel on Climate Change (IPCC) of the United Nations and to the Millennium Ecosystem Assessment. He is currently with the Adaptation and Impacts Research Group (AIRG), Meteorological Service Canada, Environment Canada. He is also an Adjunct Professor at the Institute for Environmental Studies (IES), University of Toronto, Canada. He has been declared as a Burtoni Fellow of the Meteorological Service Canada for the year 2004-2005. He is a member of the American Society of Civil Engineers and Professional Engineers, Ontario, Canada. Dr Q. K. Ahmad is a socio-economic specialist of international repute and has to his credit a wide range of research work on environment and water resources, climate change, policy planning, food and agriculture, rural development, poverty alleviation, human development, technology and employment generation, women in development and gender issues. He extensively studied various issues related to water resources development and cooperation in the South Asia Region. He received his PhD from the London School of Economics and Political Science, London University in 1976. He is Chairman and Chief Executive, Bangladesh Unnayan Parishad (BUP), Dhaka. He was the President and International Vice-President of the Association of Development Research and Training Institutes of Asia and the Pacific (ADIPA), Kuala Lumpur and Society for International Development (SID), Rome, respectively. During 1998-2001, he acted as a Coordinating Lead Author to the IPCC.