Leadership team

Our leadership team is composed of executives who are committed to making strides in total health for our members.

In This Section

Leadership team

Regional and medical group leaders

California

Carrie Owen Plietz

Regional President, Northern California

Maria Ansari, MD

Maria Ansari, MD, FACC

CEO and Executive Director, The Permanente Medical Group

Michelle Gaskill-Hames

Michelle Gaskill-Hames

Regional President, Southern California

Ramin Davidoff, MD, Co-CEO, The Permanente Federation, LLC

Ramin Davidoff, MD

Executive Medical Director and Chairman of the Board, Southern California Permanente Medical Group

Colorado

Michael Ramseier

Michael Ramseier

Regional President

Jeffrey Krawcek, MD

Jeffrey Krawcek, MD, MBOE, SPHR

President and Executive Medical Director, Colorado Permanente Medical Group

Georgia

Pam Shipley

Regional President

Nkem Chukwumerije, MD, MPH, FACP

Nkem Chukwumerije, MD, MPH, FACP

President and Executive Medical Director, The Southeast Permanente Medical Group

Hawaii

Greg Christian

Market President

John Yang, MD

President and Medical Director, Hawaii Permanente Medical Group, Inc.

Mid-Atlantic States

Ruth Williams-Brinkley

Ruth E. Williams-Brinkley

Regional President

Maria Ansari, MD

Maria Ansari, MD, FACC

President and CEO, Mid-Atlantic Permanente Medical Group

Northwest

Jeff Collins

Regional President

Leong Koh, MD

President and CEO, Northwest Permanente

Cyrus Lee

Executive Dental Director and CEO, Permanente Dental Associates

Washington

Angela M. Dowling

Angela M. Dowling

Regional President

Linda Tolbert, MD

Linda Tolbert, MD, JD, EdD, MPH

Executive Medical Director, Washington Permanente Medical Group