2025 COPA BOARD MEMBERS

President

Spencer Greene, MS, CPO

Regional Director
Hanger Clinic
1707 McHenry Ave. Building B
Modesto, CA 95350

Vice President

Brendan Erickson

Senior Regional Sales Manager
Territory: West, South, Southeast
SPS

Treasurer

Richard Myers (Rick)

Certified Prosthetist and Co-Founder
Southern California Prosthetics
1801 E. Parkcourt Pl., Bldg B
Santa Ana, CA 92701

Lobbyist

Bryce W. A. Docherty

Chairman
TDG Strategies

Board Members

Michel Davis

Orthotics & Prosthetics Program Manager 
Loma Linda University SAHP
1500 Crafton Ave. Bldg 126,
Mentone, CA 92359

Evan Glenn

Neuro Orthotics Territory Manager
Ottobock

Chad R. Marquis, CPO

Prosthetic & Orthotic Group of Orange County, LLC

Andy May

US Sales Manager
Fillauer

Luis Mora, CP

Clinical Specialist, Prosthetics
Össur Americas

Sarah Nakamoto

Pacific Southwest Account Manager
Cascade Orthopedic Supply, LP

Matt Swiggum

CEO
PROTEOR USA

Trevor Townsend, CPO

President
Valley Institute of Prosthetics & Orthotics
1524 21st St.
Bakersfield, CA 93301

Bi-Ying Yeh, MD, MS

Associate Clinical Professor | Residency Program Director
Physical Medicine and Rehabilitation
University of California, Irvine