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Leadership and administration

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Lloyd David, MBA

Lloyd David, MBA

Western Washington Group President

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William (Bill) Bettermann

Bill Bettermann, MS, MHA, CMPE

Senior Vice President, PNW Operations, Optum Care

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Alka Atal-Barrio, MD

Alka Atal-Barrio, MD

Chief Medical Officer

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Liberty Stansberry, SHRM-SCP

Liberty Stansberry, SHRM-SCP

Vice President, Human Capital

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Ketti Hsieh

Ketti Hsieh

Vice President of Finance

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Associate medical directors

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Steve English, MD

Steve English, MD, MMM

Executive Medical Director, Northern Region

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Nariman Heshmati, MD

Nariman Heshmati, MD

Senior Medical Director, Central Region

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Kent Hu, MD

Kent Hu, MD, MPH

Medical Director of Quality and Patient Safety

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James Lee, MD

James C.M. Lee, MD, MMM

Regional Associate Medical Director, Primary Care

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James Lusk, MD

James Lusk, MD

Associate Medical Director, Walk-In Clinic

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Autumn Moser, MD, MMM

Autumn Moser, MD, MMM

Associate Medical Director, Complex Primary Care

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Cherita Raines, MD, MPH

Cherita Raines, MD, MPH

Senior Medical Director, Southern Region

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Michael L. Rohrenbach, DO

Michael L. Rohrenbach, DO

Associate Medical Director, Provider Services

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Nick Tamoria, MD

Nick Tamoria, MD

Associate Medical Director, Behavioral Health & Psychiatry

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