About CalOptima

Executive Management

Leading the future of health care

Michael Schrader

Michael Schrader
Chief Executive Officer

Gary Crockett

Gary Crockett
Chief Counsel

Ladan Khamseh

Ladan Khamseh
Chief Operating Officer

David Ramirez, M.D.

David Ramirez, M.D.
Chief Medical Officer

Len Rosignoli

Len Rosignoli
Chief Information Officer

Diana Hoffman

Diana Hoffman
Deputy Chief Counsel

Brigette Gibb

Brigette Gibb
Executive Director, Human Resources

Candice Gomez

Candice Gomez
Executive Director, Program Implementation

Betsy Ha

Betsy Ha
Executive Director, Quality & Analytics

Tracy Hitzeman, RN

Tracy Hitzeman, RN
Executive Director, Clinical Operations

Silver Ho

Silver Ho
Executive Director, Compliance

Michelle Laughlin

Michelle Laughlin
Executive Director, Network Operations

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