Current Senior Fellows

Senior Fellows

Julian Cameron, MD

Pediatric Pulmonary Hypertension

Training Dates: 7/07/2022 - 7/06/2023

Julian completed his pediatric cardiology fellowship at Children’s Hospital Los Angeles where he conducted research in non-invasive vascular function testing by flow mediated dilation and blood biomarkers. Current research interests are focused on intravascular imaging, including OCT-NIRS, for in vivo assessment of pulmonary vascular remodeling. Prior to pursuing medicine at the University of Colorado, he obtained a BA in Architecture from UC Berkeley and studied abroad at Cambridge. While born in Brussels, Belgium, he considers Vail, Colorado home. Outside of the hospital, he enjoys skiing, weightlifting/calisthenics, and hiking.

Brittany Navarre, MD

Pediatric Electrophysiology

Training Dates: 7/07/2022 - 7/06/2023

Brittany grew up in the small town of Cle Elum, WA. She attended Washington State University where she received her BS in Neuroscience and met her husband, Tim. Between college and medical school she completed a 2-year research fellowship at the National Institute on Drug Abuse in Baltimore, MD. She attended medical school at the University of Washington followed by pediatric residency at Phoenix Children's Hospital. She moved back to the West Coast for her pediatric cardiology fellowship at Stanford and is excited to be staying for a 4th year advanced fellowship in electrophysiology. Hobbies: Trail running, mountain biking, snowboarding, inline skating, bouldering, nature inspired art.

Flora Nunez Gallegos, MD, MPH

Pediatric Echocardiography

Training Dates: 7/07/2022 - 7/06/2023

Flora was born in El Salvador but grew up in Los Angeles. She is an alumnus of the Stanford School of Medicine of Medicine 2015. She received her bachelor’s degree from the University of California, Los Angeles. While in medical school obtained her Master of Public Health from Harvard T.H. Chan School of Public Health. She completed her residency and served as Chief Resident at the Baylor College of Medicine/Texas Children’s Hospital Pediatric program. She continued her training at Stanford in Pediatric Cardiology where she was Chief Fellow She has a passion for advocacy and addressing barriers to health care access particularly as they relate to advanced imaging in cardiology.

She is excited to be back at the Farm with her husband, an Emergency Medicine physician, and their sweet kids, 3-year-old Noah and 1-year old Olivia.

Sowmith Rangu, MD

Pediatric Cardiovascular Intensive Care

Training Dates: 7/07/2022 - 7/06/2023

Sowmith spent his early years growing up in India, Thailand, and Malaysia. He then travelled to Halifax, Nova Scotia to earn his MD at Dalhousie University. Following which he tried to plunge himself deeper in snow by completing his pediatrics residency at Memorial University of Newfoundland. He joins us after completing his cardiology fellowship at the Stollery Children’s Hospital in Edmonton, Alberta. Sowmith served as a chief resident/fellow during his pediatric residency as well as cardiology fellowship, sparking his interest in medical education, simulation, and curriculum design. He embarked on a master’s in clinical epidemiology and biostatistics during his residency, with a thesis focusing on the pediatric prodrome and natural history of a malignant subtype of ARVC. He has been described as a chronic conversationalist and looks forward to chatting with everyone he meets during his time at Stanford. In his spare time, he enjoys playing ultimate frisbee, petting his friends’ puppies, and pretending to be a food connoisseur.

Britt Sandler, MD

Pediatric Cardiovascular Intensive Care

Training Dates: 9/01/2022- 8/31/2022

Britt joins us from Seattle where she completed her pediatric critical care medicine fellowship and pediatric residency at the University of Washington/Seattle Children’s Hospital. She is originally from Evanston, Illinois and studied environmental science at Stanford as an undergraduate. During college summer breaks she worked at Stanford Sierra Camp and remains a Lake Tahoe and Desolation Wilderness enthusiast. Prior to medical school she worked in politics and health policy in Washington, D.C.

She attended Yale for medical school and received

Anne Taylor, MD

Pediatric Cardiac Catheterization

Training Dates: 7/07/2022 - 7/06/2023

Anne is from Michigan and attended Harvard for her undergraduate studies in Molecular and Cellular Biology. Following graduation, she worked as an analyst for The Advisory Board Company in Washington, DC performing strategy and operations research for oncology groups across the country. She attended medical school at the University of Colorado and completed her residency in Pediatrics at Stanford where she received the Best Clinical Research Award. She continued her training at Stanford in Pediatric Cardiology where she was Chief Fellow. She will continue her training in Pediatric Interventional Cardiology. She enjoys spending time with family and friends at the beach, in the mountains, and in wine country.

Diana Torpoco Rivera, MD

Pediatric Heart Failure/Transplantation (PACT)

Training Dates: 7/07/2022 - 6/30/2023

Diana joins us from Children’s Hospital of Michigan where she completed her residency and fellowship in Pediatric Cardiology. She is originally from a small town in the central Peruvian jungle, and she was the youngest student, at the age of 15, to be admitted into her medical school. She earned her medical degree at “Universidad Nacional Mayor de San Marcos” in Lima, Peru. She is currently interested in the use of ventricular assist devices as a bridge to recovery. She is also very passionate about improving medication adherence in adolescent heart transplant recipients, which is her current research project. She also has been an active ACTION member since her senior year in fellowship. Her personal interests include hiking with her dog, doing yoga and traveling with her family.

Fellowship Program Leadership

Alisa Arunamata, MD

Program Director. Pediatric Cardiology Fellowship


Neha Purkey, MD

Associate Program Director, Pediatric Cardiology Fellowship

Charitha Reddy, MD

Associate Program Director, Pediatric Cardiology Fellowship

Lupe Romero-Villanueva

Fellowship Coordiator