Dr. Han, a pediatric endocrinologist, is medical director of Le Bonheur’s Healthy Lifestyle and Center for Metabolic Research. Her clinical focus includes type 2 diabetes and other disorders associated with obesity, as well as endocrine and metabolic complications associated with brain tumors and brain trauma. She’s received National Institutes of Health funding for her pediatric obesity-related research efforts.

Dr. Hare, a general pediatrician, is an Associate Professor of Preventive Medicine and Pediatrics at the University of Tennessee Health Science Center. She is certified by the American Boards of Pediatrics and Obesity Medicine. She has received National Institutes of Health funding for her obesity-related research efforts in both children and adults.

Certified Family Nurse Practitioner

Dr. Weatherall, a pediatric surgeon, is the surgical director of Le Bonheur’s Healthy Lifestyle Clinic. She completed her general surgery training at Jackson Memorial Hospital in Miami, Florida, and her pediatric surgery fellowship training at Le Bonheur Children's Hospital. Her clinical focus includes adolescent bariatric surgery, robotic surgery, and other complex pediatric and neonatal surgical processes.

Exercise Physiologist

Clinical Psychologist

Dr. Brown is the Genetics Division chief at Le Bonheur, and a professor and the St. Jude Chair of Excellence in Genetics for Department of Pediatrics at the University of Tennessee Health Science Center. Brown came to Memphis from Baylor College of Medicine, where he served for 20 years as a faculty member in the departments of Molecular and Human Genetics and Pediatrics, and as training faculty in the Graduate School of Biomedical Sciences. He has spent much of his career focused on studying how genes control lean and fat body mass.

Dr. Harris is a pediatric pulmonologist and associate professor at University of Tennessee Health Science Center. She completed medical school at Vanderbilt University School and Medicine and is certified by the American Board of Pediatrics in both Pediatrics and Sleep Medicine. She completed a fellowship at Vanderbilt University Medical Center.

Dr. Delos Santos is a pediatric nephrologist and associate professor at the University of Tennessee Health Science Center. He was honored by the National Institutes of Health with the Ruth L. Kirschstein Individual National Research Service Award and is a member of the American Society of Pediatric Nephrology, National Kidney Foundation and American Heart Association Scientific Council on Kidney in Cardiovascular Disease.

Dr. Yohannan is certified by the American Board of Pediatrics with a cardiology subspecialty and is an instructor at the University of Tennessee Health Science Center. He specializes in non-invasive cardiology, preventive cardiology, cardiomyopathies, cardiac failure and cardiac transplantation.