Obtained BSc and MSc in agricultural economics from Bangladesh Agricultural University, Mymensingh; PhD from the University of Wales, Aberystwyth, UK. Taught economic development and agricultural policy at BAU from 1969-89. Also conducted research and provided advisory services for the government of Bangladesh.
Was a Nuffield Fellow at the University of Wales (1982) and a Hallsworth Fellow at the University of Manchester (1987-88).
Served as a Senior Agricultural Economist and Team Leader at the International Livestock Research Institute, Nairobi, Kenya from 1989-2007. Conducted and managed research on various issues in agriculture, livestock and rural development in over 20 countries in Africa and Asia with national and international partners.
Published internationally on wide ranging issues including policies, institutions and development; market and value chains; productivity, efficiency and sustainability; natural resources and watershed management; land tenure and land reform; livestock, food security, gender and human nutrition; farming systems, technology adoption and impact; agricultural credit; biodiversity and value of genetic resources.
After retirement from ILRI, was a member of the Advisory Panel of Economists for the 6th and 8th Five Year Plans and external reviewer for the 7th plan of Bangladesh. Also have been serving as a freelance consultant/adviser in agriculture and food policy.