Pre-medical degree, Faujdarhat Cadet College, Chittagong, Bangladesh, 1974. Doctor of Medicine, Chittagong University, 1980. Doctor of Philosophy, Karolinska Institute, Stockholm, 1994.
Associate professor experimental endocrinology Karolinska Institute, since 1990. Physician Institute for Postgraduate Medicine and Research, Dhaka, 1980-1981, Bangladesh Institute for Research and Rehabilitation in Diabetes Endocrine and Metabolic Disorders, Dhaka, 1981-1983, International Center for Diarrhoeal Disease Research, Bangladesh, 1983-1984. Physician Intensive Care Unit King Fahd Hospital, Al-Qassim, Saudi Arabia, 1986-1987.
Registrar in internal medicine Holy Family Hospital, Dhaka, 1988-1990. Physician internal medicine Stockholm S. General Hospital, since 2004. Honorary research associate BIRDEM, 1992.
Member of European Research Managers Association, European Calcium Society, Scandinavian Society for Study of Diabetes, Childhood Diabetes Foundation, Physiological Society, Swedish University Teachers Association, Juvenile Diabetes Research Foundation, Swedish Society Inventors, Swedish Endocrinologists Society, Swedish Society Biochemistry and Molecular Biology, Swedish Society Medicine, European Association for the Study of Diabetes, International Diabetes Federation (life), Lions International.
Married Shadida Sultana, September 16, 1984 (divorced July 1994). Married Susanna Gustafsson, 1997. Children: Maryland Rashedul, Shantana Shahid, Amanda, Alina.