David Breault

David Breault, MD, PhD, is an Associate Professor of Pediatrics at Harvard Medical School and Associate Chief of the Division of Endocrinology at Boston Children's Hospital. His clinical roles include Attending Physician in Endocrinology and leadership in pediatric endocrine care. He specializes in Type 1 Diabetes and Endocrinology, with affiliations across multiple Boston-area locations. His education includes a BS from Trinity College (1990), MD/PhD from University of Connecticut School of Medicine (1997), and residency/fellowship training at Yale-New Haven Hospital (Pediatrics) and Boston Children's Hospital (Pediatric Endocrinology).

Dr. Breault's research focuses on adrenal gland development, endocrine disorders, and the molecular mechanisms underlying stem cell biology and oncogenesis. Key themes include Hippo signaling pathways, adrenal steroidogenesis regulation, and clonal memory in cancer progression. He holds certification from the American Board of Pediatrics in Endocrinology.

His recent publications explore adrenal cell fate maintenance, HHEX transcription factor roles, and tumor biology in colitis and adrenocortical carcinoma. Though no specific awards or trainee names are listed, his work is supported by institutional affiliations at Boston Children’s Hospital and Harvard Medical School. He is actively involved in translational research bridging basic science and clinical endocrinology.

Labs/Teams: Integral to the Division of Endocrinology at Boston Children’s Hospital, contributing to multidisciplinary teams addressing pediatric endocrine disorders and cancer biology.