His teaching and research focuses on environmental governance. Prof. David Mungai is a graduate of the University of Nairobi with BA in Geography (1976), MA in Geography (1984) and PhD in Agroforestry Meteorology (1993). Prof. Mungai has worked as an Agricultural Research Officer in the Ministry of Agriculture (1977-185). He has also been a member of the International Advisory Board of the Graduate Programme in Sustainability Science – Global Leadership Initiative (GPSS-GLI) of the University of Tokyo, a Visiting Research Scientist at the World Agroforestry Centre (ICRAF), the Commonwealth Scientific and Industrial Research Organization (CSIRO), Division of Plant Industry, in Australia (Perth Laboratories) and at the Kenya National Cleaner Production Centre (KNCPC).