Dr. Jacqueline Lonier is an Assistant Professor in the Department of Medicine at Columbia University and an adult endocrinologist at the Naomi Berrie Diabetes Center. She received her BS from Yale University and her MD from Columbia University, College of Physicians & Surgeons. She completed her residency training in internal medicine and a fellowship in endocrinology at NYU. Her clinical practice focuses on adults with type 1 and type 2 diabetes.