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Medical Team

Dedicated to the pursuit of wellness, the JumpstartMD medical team includes the brightest minds in the science of weight loss. From Stanford-trained physicians to Diplomates of the American Board of Obesity, our multi-disciplinary experts have the experience to lead and inspire.

Sean Bourke, MD

Co-founder and Chief Medical Officer

Vinita Dhir Tandon, MD

Medical Director, BHRT

Ronald Krauss, MD

Medical Director, Center for Cardiometabolic Health

Care Providers

Tanya Brosnan, PA-C
Walnut Creek
Elizabeth McMichael, RN, FNP-BC
SF – Embarcadero Center
Jillian Chelson, PA-C
Santa Cruz
Karina Demikhova, FNP-C
SF – Embarcadero Center
Silvia Gonzalez, PA-C
Redwood City
Jessica Holt, DNP
Alexis Kofoed, PA-C
Maria McCarthy, RN, WHNP-BC
Los Gatos
Kate McElroy, PA-C
Joyce-Nicole Pachence, PA-C
SF – Embarcadero Center
Cyndi Schultz, FNP-C
SF – Laurel Heights
Svetlana Boyle, MSN, FNP-C
Frances Strzempko Ahmad PhD, NP-C
Walnut Creek
Veronica Sandoval, NP
Katrina Unpingco, FNP-C
Christina Fernandez, MSN, NP-C, FNP-BC