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Justin Ryan, Ph.D.

Dr. Ryan, a computer imaging and animation master-turned-biomedical engineer, joins us as director of the 3DI Lab. An accomplished leader in his field, he previously ran the Cardiac 3D Print Lab at Phoenix Children’s Hospital, where he created more than 500 unique cardiac models. He is also a member of the Research team at Rady Children’s Heart Institute.

Parham Gholami

Parham Gholami is a research engineer at the Webster Foundation 3DI Lab. After spending several years working in video games and advertising technology, Parham transitioned to the medical field and joined Rady Children’s. He brought his previous experience in building approachable and intuitive applications to healthcare with the goal of empowering doctors and surgeons to provide the highest quality of care for their patients.

Byron Beasley

Byron Beasley comes from a background in audio recording and virtual reality app development. He previously worked on immersive music applications in both augmented and virtual reality. Now he brings his knowledge of software development and user experience to the Webster Foundation 3DI lab, where he works closely with Rady Children’s Hospital Orthopedics & Scoliosis Center.

Anna Hedberg

Anna Hedberg joined Rady Children’s in 2023 fresh out of college (Miami University, Ohio) with her bachelor degrees in biomedical engineering and mechanical engineering. She brings her previous experience in 3D printing, robotics, and prototyping to the Webster Foundation 3DI Lab and aims to use those skills to support Rady Children’s as a research engineer.

Sanjeet Hegde, M.D., Ph.D.

Program Director: 3DI Lab; Academic Director: Cardiac MRI; Co-Director of Research: Heart Institute; Assistant Clinical Professor of Pediatrics, UC San Diego

Salil Upasani, M.D.

Program Director: 3DI Lab; Co-Director: International Center for Pediatric and Adolescent Hip Disorders; Assistant Clinical Professor of Orthopedic Surgery, UC San Diego

Matthew Brigger, M.D., M.P.H

Director, Airway Simulation: 3DI Lab; Division Chief; Co-Director: Pediatric Otolaryngology Fellowship Program; Clinical Associate Professor of Surgery, UC San Diego

Daniel Vinocur, M.D.

Director of Imaging: 3DI Lab


Executive Leadership

Gail Knight, M.D., M.M.M., Executive Director: 3DI Lab; Senior Vice President and Chief Medical Officer, Rady Children’s Hospital

Chris Abe, R.N., CIC, HEM, Co-Executive Director: 3DI Lab; Vice President of Operations, Rady Children’s Hospital

John J. Nigro, M.D., Co-Executive Director: 3DI Lab; Division Chief: CV Surgery; Director, Heart Institute; Director: Cardiac Transplantation and Ventricular Assist Device Program


Peter Newton, M.D., Co-Executive Director: 3DI Lab; Division Chief: Orthopedics; Director: Scoliosis Service; Clinical Professor of Orthopedic Surgery, UC San Diego