Who We Are
Dan Dyar
Echo sonographer
Developer of the original ParameterZ
Sanjeet Hegde, MD, PhD
Medical director of cardiac MRI
Director of research at the Heart Institute
Program director of the 3D Innovations Lab
Helen and Will Webster Foundation 3D Innovations Lab
Justin Ryan, PhD
Lab Director
Research Scientist
Parham Gholami
Research Engineer
Primary developer of ParameterZ at Rady Children’s Hospital-San Diego

Rady Children’s Heart Institute is dedicated to providing the best possible and most personalized heart care for infants, children and adults with congenital heart defects or acquired heart disease. Our center provides a full array of services in cardiology and cardiovascular surgery. To learn more about the Heart Institute, please visit our website.

The Helen and Will Webster Foundation 3D Innovations Lab is an multidsciplinary translational research laboratory that leverages advanced visualization, 3D printing, and software engineering to augment surgical and interventional planning. To learn more about our laboratory, please visit our website.
© 2025 Rady Children's Hospital-San Diego
Helen and Will Webster Foundation 3D Innovations (3DI) Lab
© 2025 Rady Children's Hospital-San Diego
Helen and Will Webster Foundation 3D Innovations (3DI) Lab