Dr. Kenneth Sim

Executive Chairman


Dr. Wayne Kleinman


Tarzana, California

Douglas Shin

General Counsel

Cooperative of American Physicians

Debra Phairas

President of Practice & Liability Consultants, LLC.

Dr. Pedram Salimpour

Managing Partner

Plymouth Holdings (Healthcare Focused Private Equity Firm)

Dr. Join Luh

Radiation Oncologist

Providence St. Joseph Health

Dr. Andrew Stein

Orthopedic Hand Specialist

East Bay Hand Medical Center

Dr. Omer Deen


Deen Medical Group, Inc.

Matthew Robinson, J.D.

Chief Executive Officer

Physician Association of California

Prior to joining PAC, Matthew held senior government affairs roles at some of the highest-profile healthcare companies including Kaiser Permanente and Amazon. In these roles he successfully advocated for patients, employees and physicians’ interests in the challenging legislative and regulatory environment of California. He also represented the California Association of Health Facilities where he played a pivotal role representing the interests of over 850 skilled nursing facilities, 500 intermediate care facilities for the developmentally disabled, and 120,000 employees. His responsibilities included developing and executing advocacy strategies, cultivating relationships with legislators and government agencies, managing political activity and consultants, and
fostering collaboration across the healthcare continuum.

A licensed attorney in California, Matthew has also successfully defended clinicians against medical malpractice claims and provided legal representation to medical physicians, hospitals, care facilities, and insurance companies across Northern and Southern California.

Matthew received his juris doctorate degree from McGeorge School of Law where he was a member of their award-winning mock trial team. He completed his undergraduate studies at St. John University where he was a student-athlete on their Division I baseball team.

A native of Sacramento, Matthew continues to live in the community with his wife and two kids.

Devon Berrier

Executive Chief of Staff

Physician Association of California​

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