Life Member, Bangladesh Council for Science Culture.
Minister (Economic Affairs), Mission of Bangladesh, Geneva, Permanent Mission of Bangladesh since 1987. Section Chief, Joint Chief (Industries), 1977-1986, Deputy Chief (Industries), 1972-1977, Ministry of Planning, Government of Bangladesh. Metallurgist, Development Officer, Chittagong Steel Mills Limited, Bangladesh, 1969-1972.
Lecturer in Chem, University of Dhaka, 1964, Bangladesh University of Engineering & Technology, 1963.