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The IHA Executive Committee guides our non-profit industry association in between meetings of our board of directors. This committee is made up of elected or appointed members from the board who work together to oversee our business operations.

William Caswell

Senior Vice President, Operations, and COO, IHA Board Chair

Kaiser Foundation Health Plan 

Doug McKeever

Chief Deputy Executive Director, IHA Board Treasurer

Covered California

Martha Santana-Chin, MBA

 Government Programs Officer—CA Market, IHA Board Secretary

Health Net

Barry Arbuckle, PhD

President and CEO, IHA Past Chair

MemorialCare Health System

David Joyner, MA, MBA

President and CEO

Hill Physicians Medical Group

Peter Welch

President and CEO


Kristen Miranda

West Territory Head


Jeffrey Rideout, MD

President and CEO

Integrated Healthcare Association

Stacey Hrountas, MPH

Chief Executive Officer

Sharp Rees-Stealy Medical Centers

Mark Reynolds, MBA

VP and COO


Amar Desai, MD, MPH

President and CEO

Optum California