About CalOptima

Board of Directors

Leading the future of health care

Paul Yost

Paul Yost, M.D. (Chair)

Nikan Khatibi

Dr. Nikan Khatibi (Vice Chair)
Anesthesiologist, Pain Specialist and Addiction Medicine Physician

Ria Berger

Ria Berger
CEO, Healthy Smiles for Kids of Orange County

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Clayton Chau, M.D., Ph.D.
Director, Orange County Health Care Agency

Ron DiLuigi

Ron DiLuigi
Retired Health Care Executive

Andrew Do

Andrew Do
Orange County Board of Supervisors,
Supervisor, First District

Alex Nguyen

Alexander Nguyen, M.D., MPH
Assistant Clinical Professor of Psychiatry

Lee Penrose

Lee Penrose
Health Care Executive

Michelle Steele

Michelle Steel
Orange County Board of Supervisors,
Supervisor, Second District

Doug Chaffee

Doug Chaffee (Alternate)
Orange County Board of Supervisors,
Supervisor, Fourth District

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