OPH Leadership
Michael L. Helle, NRP/CCP/FP-C, MHA, MBA
Interim Vice President Population Health
Director, Clinical Programs
OPH Medical Directors
Camila Cribb Fabersunne, MD MPH
Medical Director for Pediatrics and Complex Care
Monica Cheng, MD
Medical Director for Care at Home
Ralph Gonzales, MD, MSPH
Chief Innovation Officer
Adrian Tomes, MD, BS
Medical Director for Health Equity
Esther Hsiang, MD, MBA
Medical Director of Care Delivery Transformation
Arthur Wood, MD
Medical Director for Accountable Care - Government Payers
Rajiv Sethi, MD, PhD
Medical Director of Musculoskeletal Value-Based Initiatives
OPH Administration
Noelle Lee, MS
Director, Operations and Administration
Mauricio Roman
Operations Coordinator, Clinical Programs
Thomas Giannini
Executive Assistant to Tim Judson/Michael Helle
OPH Clinical Programs Leadership
Carolyn Stead, PsyD
Assistant Clinical Director
Tasha Toliver, MSHE
Manager, Care Navigation
Assistant Clinical Director
Zenaida Navarro
Supervisor, Pediatric Complex Care
OPH Quality Programs Leadership
Sara Coleman Hernandez, MPH, MBA
Director, Population Health Quality
Clare Connors, MPH
Manager, Medi-Cal Population Health Quality