TPA Leadership

Executive TPA Team 2026-27

Ronald Cowan, MD

President  

JAMES MACKENZIE, DO

Vice President/
President Elec

Brent NeCaise, MD

Secretary

Adam Chan MD

Treasurer

Cynthia Rector MD

Legislative Liaison

Michelle Cochran, MD

Immediate Past President & DB Rep to Assembly

Valerie Arnold, MD

Board Member, and DB Delegate to APA

Greg Kyser, MD

Board Member

Jonathan Becker, DO

Board Member

Shambhavi Chandraiah MD

Board Member

Amy Williams

Executive Director