Current Senior Fellows

Senior Fellows

Heather Giacone, MD

Pediatric Electrophysiology

Training Dates: 7/07/2021 - 7/06/2022

Heather has traversed the country from east to west pursuing educational opportunities. She is a Massachusetts native, but moved to Indiana to complete a degree in Neurobiology and Physiology at Purdue University. She then went to the University of Arizona College of Medicine in Tucson due to a strong passion in global and border health. She completed her general pediatric training at PCH/MMC Pediatric Residency Program in Phoenix. With a focus on curriculum development and academic medicine, she took a position as Chief Resident and hospitalist at PCH/MMC residency program. Heather completed her pediatric cardiology fellowship with us as our Chief fellow last year. Hobbies include painting, rock climbing, and hiking. Her husband, Mike is an Internal Medicine hospitalist, and their son, James.

Ege Ozdemir, MD

Pulmonary Hypertension

Training Dates: 7/07/2021 - 7/06/2022

Ege grew up on the west coast completing a biomedical engineering degree at UC San Diego, medical education and pediatric residency at Saint Louis University, and general cardiology fellowship at Johns Hopkins. His research interests including uncovering the hereto poorly understood mechanisms by which the hepatopulmonary axis exerts its effects upon the pulmonary vasculature. Hobbies include Magic the Gathering and rock climbing. 

Alice Ramirez, MD

Cardiovascular Intensive Care

Training Dates: 7/07/2021 - 7/06/2022

Alice is from Virginia but completed pediatrics residency, chief residency, and critical care fellowship at the University of California, San Francisco. Her academic interests are in neurodevelopment in congenital heart disease and in team communication. In her free time, she enjoys painting, hiking, and DIY home improvement projects.


Jennifer (Jenny) Schramm, MD

Cardiovascular Intensive Care

Training Dates: 7/07/2021 - 7/06/2022

Jenny is originally from Wisconsin and is a serious Badger fan. She did her undergraduate studies and medical school at University of Wisconsin before departing to WashU for pediatrics residency. She completed her Cardiology fellowship at Children’s National in DC before crossing the country to LPCH. She is very interested in pulmonary hypertension and has previous publications in global health, pulmonary vein stenosis, and Duchenne Muscular Dystrophy. In her free time, she loves to do Orange Theory, hike, cook, and is very interested in photography.

Danielle (Dani) Sganga, MD

Pediatric Echocardiography

Training Dates: 7/07/2021 - 7/06/2022

Dani grew up in New York. She attended Vanderbilt University where she received her B.S. in Engineering Science and Medicine, Health, and Society. She then returned to New York to attend medical school at SUNY Stony Brook. During that time, she spent 2 summers in Peru where she helped to establish an annual medical/surgical mission. After medical school she moved to Stanford where she completed her pediatrics residency and stayed on for a year as a CVICU hospitalist. Dani just completed her Pediatric Cardiology Fellowship with us. In her spare time, she likes baking, reading, hiking and camping around the Bay Area, and watching formulaic crime shows.

Rachel (Sulli) Sullivan, MD

Pulmonary Hypertension

Training Dates: 7/07/2020 - 12/31/2021

Dr. Rachel “Sulli” Sullivan, our 4th year PH fellow, grew up in Clinton Township, Michigan (10 miles north of Detroit) and attended the University of Michigan before spending the subsequent 10 years in Milwaukee, Wisconsin for medical school (Medical College of Wisconsin, MCW), residency and pediatric cardiology fellowship (Children’s Hospital Wisconsin with our own Steph Siehr-Handler). She has worked in both clinical and basic science research - studying dysautonomia, at NIH and MCW, outcomes in patients with Trisomy 21 and Tetralogy of Fallot and studying medication effects on Duchenne Muscular Dystrophy related cardiomyopathy. A victim of the classic “two-body problem,” Sulli’s husband will be spending this year doing a preliminary/intern year in Denver and then the two will reunite as he completes a dermatology residency at Vanderbilt. When not prescribing remodulin, Sulli can be found exercising doing CrossFit style workouts and baking bread.

Fellowship Program Leadership

Scott Ceresnak, MD

Program Director, Pediatric Cardiology Fellowship

Alisa Arunamata, MD

Associate Program Director, Pediatric Cardiology Fellowship

Neha Purkey, MD

Associate Program Director, Pediatric Cardiology Fellowship

Lupe Romero-Villanueva

Fellowship Coordiator

Holly Lewin

Fellowship Coordinator