Colleen Hadigan, M.D., M.P.H.

Dr. Hadigan's academic medical career has been primarily centered in clinical research with much of the focus on the long-term and metabolic complications of HIV and its therapies in both children and adults. In 2006, she came to the National Institutes of Health as a member of the Laboratory of Immunoregulation of the National Institute of Allergy and Infectious Disease (NIAID). In addition to her active research and mentoring, Dr. Hadigan served as the Deputy Manager of the NIAID Outpatient HIV and Infectious Diseases Research Clinic for over 10 years. In October of 2021 she became the Chief Medical Officer and Clinical Director for the NIH Clinical Center. She is board certified in Pediatrics and Pediatric GI and Hepatology and remains clinically active as the Pediatric GI and Hepatology consultant for the NIH Clinical Center.

Dr. Hadigan received her medical degree from the Johns Hopkins School of Medicine and subsequently completed her residency in Pediatrics at Boston Children’s Hospital followed by a fellowship in Pediatric Gastroenterology and Hepatology in the Harvard Combined Program for Pediatric Gastroenterology, Hepatology and Nutrition at Boston Children’s Hospital and Massachusetts General Hospital. She also received her MPH at the Harvard School of Public Health.