Meet the Team

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Domenica M. Rubino, MD is board certified in Obesity Medicine, Endocrinology, Diabetes & Metabolism, and Internal Medicine. She has extensive experience in the care of the overweight patient as well as clinical research for the development of pharmaco-therapeutic agents in the  management of obesity. She received training in both clinical and molecular biological researchat the National Institutes of Health during her endocrinology fellowship. 


She has received several investigator awards and has written articles in several peer-reviewed publications (including Obesity, European Journal of Endocrinology, Journal of Clinical Endocrinology and Metabolism, Diabetes Obesity and Metabolism, Journal of Biological Chemistry, Oncogene, American Journal of Obstetrics and Gynecology).Dr. Rubino is a member of the American Medical Association, American College of Physicians, American Association of Clinical Endocrinology, Endocrine Society, Obesity Society, American Diabetes Association and the Obesity Action Coalition.


She currently serves as a clinical expert on the treatment of obesity for several professional committees and has served as a representative to Congress and outside organizations for the Obesity Society. She often speaks as an advocate for the person struggling with obesity and has a strong interest in the psychological impact and societal stigma of this medical condition. She frequently lectures on the latest breakthroughs in weight management.

Rachel Burnett, PhD Recognizing the impact of emotions and mood in affecting weight management, Dr. Burnett partners with her patients to learn skills that support improvements in dysfunctional eating patterns and overall quality of life. Dr. Burnett helps individuals identify and change behaviors that lead to and continue weight issues. She values warmth and deep empathy in her work utilizing behavioral, cognitive-behavioral, and trauma-informed approaches in an individualized way, depending on a patient’s needs.  She joins us from a hospital based bariatric program, seeing a unique opportunity within our practice to participate in team-based, comprehensive care for the person who struggles with weight. 

Dr. Burnett holds a doctorate in Clinical Psychology from Duke University and has been a Licensed Clinical Psychologist for 20 years.  She previously worked at Medstar Washington Hospital Center (Washington DC) in the Bariatric Surgery Program. She has also worked in hospital emergency and psychiatric intake departments, and partial hospitalization and inpatient psychiatric programs, in

addition to having a private practice for many years. She has been an adjunct professor at Georgetown University School of Medicine (Washington DC) and Smith College School for Social Work (Northampton MA).

Lauren Trocchio, MSc, RD, CSSD, CSOWM, LD is a registered dietitian and board certified specialist in Sports Dietetics as well as Obesity and Weight management. She received a BS in Operation Research from the US Coast Guard Academy in 2002, a BS in Dietetics from Eastern Michigan University’s Coordinated Program in Dietetics in 2011, and an MSc in Obesity and Weight Management from the University of South Wales in 2021. She also completed the International  Olympic Committee’s sports nutrition diploma program in 2014. As a dietitian, Lauren has experience as the Nutrition Care manager for Ingleside at Rock Creek in Washington, DC as well as the MOVE! weight management program dietitian at the Washington, DC Veterans’ Affairs Medical Center. She has also been the sports dietitian for the GWU colonials. Acknowledging there are a wide variety of ways to eat and be healthy, Lauren helps people identify practical nutrition approaches to support their own wellness. She values the importance of treating the “whole” person and works with other members of our team to help patients improve their    quality of life, everything from improved movement to a new relationship with food. She is a  continued member of the Coast Guard Reserves and enjoys participating in open water swimming races and triathlons.  

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Jean Vita, R.N., B.S.N., CCRN, CCRC, is our Research Study Coordinator.  A native of Leeds in northern England, Jean received her R.N. from Oxford, England; after immigrating to the United States, she earned her B.S.N. from George Mason University. Before becoming a specialist in medical research, Jean worked in the intensive care units on both sides of the pond, including George Washington and Georgetown University Hospitals in Washington, DC.   In 1992 she joined the research staff at what is now Walter Reed National Military Medical Center in Bethesda, Maryland, where for 20+ years she worked extensively on clinical research studies in the field of Traumatic Infectious Diseases in wounds from battleground injuries, and many projects relevant to the practice of military medicine. In 2012 she brought her deep knowledge and experience in medical research to our clinic, where she serves as Study Coordinator on all of our research protocols.

Michelle Vaughan, MBA  is the Center’s Practice Administrator and is responsible for the business operations of the practice including staff administration and financial management. She holds an MBA from George Washington University and has spent most of her 30+ year career working for and in coordination with national health related organizations. She is committed to providing outstanding patient service as well as creating an environment that is inviting for all.