Care Team



Chief of Pediatric Surgery

James Dunn, M.D., Ph.D., FACS

Dr. Dunn obtained his B.S. degree in Biology and Chemical Engineering from the California Institute of Technology and his M.D. and Ph.D. degrees from Harvard and Massachusetts Institute of Technology. He trained in General Surgery at the UCLA School of Medicine and in Pediatric Surgery at the Riley Hospital for Children in Indianapolis. He was the Professor and Chief of Pediatric Surgery at UCLA, with a joint appointment in the Department of Bioengineering until 2016. Dr. Dunn is the Susan B. Ford Surgeon-in-Chief at the Lucile Packard Children's Hospital, the John A. and Cynthia Fry Gunn Director of Pediatric Surgery, and Professor of Surgery and Bioengineering at the Stanford School of Medicine.


Marisa Schwab, MD

Advanced Practice Providers


Denise Gutierrez, RN

Daryl DeGuzman, RN

Rachel Estep, RN

Innovations In Research

Bruce Ling, Ph.D.

Assistant Professor Surgery

Administrative Staff

Administrative Division Director

Rosa Madera

Administrative Associate

Kristina Tolentino

Administrative Associate

Elena Harnish

Clinical Research Coordinator

Elizabeth Marquez

Administrative Associate

Samrawit Gebregziabher

Fellowship Coordinator

Dalia Michel

Outcomes Coordinator

Ivonne Navarrete

Administrative Associate

Surgery Schedulers

Jessica Moran

Surgery Scheduler

Natalie Acosta

Surgery Scheduler

Cindy Campos

Surgery Scheduler