Belinda Lennerz

Belinda Lennerz, MD, PhD, is an Assistant Professor of Pediatrics at Harvard Medical School and an Attending Physician in the Division of Endocrinology at Boston Children's Hospital. Her clinical expertise focuses on Childhood Obesity and Endocrinology, with affiliations at locations in Boston and Peabody, MA.

Dr. Lennerz completed her medical training at Friedrich Alexander University (Germany), followed by pediatric residency at St. Louis Children's Hospital (2006–2009) and pediatric endocrinology fellowships at Boston Children's Hospital (2009–2011 and 2014–2015). She conducted additional training in obesity research at Ulm University (2011–2014) before joining Boston Children's Hospital in 2015.

Her research investigates cerebral mechanisms regulating food intake and energy balance in obesity and type 1 diabetes, exploring how metabolic signals interact with brain circuits. Recent publications address cytokine release syndrome during teplizumab treatment, disparities in hybrid closed-loop insulin system use, and outcomes of bariatric surgery in youth.

Professional certifications include American Board of Pediatrics (General and Endocrinology). Her clinical services span the Diabetes Program, EMPOWER initiative, and Optimal Wellness for Life (OWL) programs. Though no awards are listed, her work emphasizes translational research between neuroendocrinology and clinical care.

Labs/Teams: Active contributor to the Endocrinology Division at Boston Children's Hospital, collaborating on multidisciplinary obesity and diabetes care initiatives.