2015: Senior Director, Nutrition and Clinical Services Division, icddr,b 2011 - 2015: Director & Senior Scientist, Centre for Nutrition and Food Security, icddr,b 2011 - till date Professor, Public Health Nutrition, James P. Grant School of Public Health, BRAC University 2005 - 2011 Head, Nutrition Programme, icddr,b 2008 - 2011 Adjunct Professor of Public Health Nutrition, James P. Grant School of Public Health, BRAC University 2006 - 2008 Adjunct Associate Professor James P. Grant School of Public Health, BRAC University 2003 Scientist, Clinical Sciences Division (CSD), icddr,b 1999 - 2002 Associate Scientist, CSD, icddr,b 1993 - 1999 Senior Medical Officer, CSD, icddr,b 1996 Institute of Clinical Medicine, University of Tsukuba, Japan 1990 - 1992 Clinical Trainee in Pediatrics, Dept of Pediatrics, University of Tsukuba Hospital, Japan 1989 - 1990 Resident in Pediatrics, Dhaka Shishu (Children’s) Hospital, Dhaka 1985 - 1992 Medical Officer, CSD, icddr,b 1984 - 1985 Medical Officer (Maternal & Child Health and Family Planning), Rural Health Complex, Ministry of Health, GoB 1983 - 1984 In-service trainee (majoring in internal medicine), Mymensingh Medical College Hospital, Bangladesh 1983 MBBS, Mymensingh Medical College, University of Dhaka, Bangladesh

My research focuses on community-based and clinical research to improve nutritional status of populations particularly children and women and to further optimize management of diarrheal diseases and associated conditions. I try to achieve this through: Clinical and community-based research on nutrition and diarrhea Upstream research using tools to study microbiota, microbiome and metabolome in improving the treatment of nutritional disorders Field-based studies on food security Social determinants of nutritional and enteric diseases as well as of uptake of interventions including behavior change Surveys and surveillance on nutrition and diarrheal disease