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Meet Our Administration

William Walker, MD
Director and Health Officer
925-957-5403
925-957-5409 fax

Patrick Godley
Chief Operating Officer & Chief Financial Officer
925-957-5405
925-957-5409 fax

Wanda Session
Assistant to Health Services Director
925-957-5433
925-646-9099 fax

Dorette McCollumn
Personnel Officer
925-957-5250
925-957-5260

Kate Fowlie
Communications Officer
925-313-6636


Division Heads

Wendel Brunner, MD
Director of Public Health
925-313-6712
925-313-6721 fax

Cynthia Belon, LCSW
Director, Behavioral Health Services
925-957-5201
925-957-5156 fax

Anna Roth, RN
CEO, Contra Costa Regional Medical Center & Health Centers
925-370-5100
925-370-5138 fax

Patricia Tanquary
CEO, Contra Costa Health Plan
925-313-6000
925-313-6585 fax

Patricia Frost
Director of Emergency Medical Services
925-646-4690
925-646-4379 fax

Randy Sawyer
Chief Environmental Health and Hazardous Materials Officer
925-335-3200
925-646-2073 fax

Marilyn C. Underwood, Ph.D.
Director of Environmental Health
925-692-2500
925-692-2502 fax

Steve Morioka
Assistant Director of Hazardous Materials
925-335-3200
925-646-2073 fax