About

Leadership

Christopher Graham

Christopher Graham, BS, MBA 

President/CEO 
Diane Wilson

Diane Wilson, BSN, MSN/MHA 

Chief Operating Officer, EVP
Mark Graham

Mark Graham, MBA 

Chief Administrative Officer, EVP

Tom Shaffer

Chief Commercial Officer

Sarah Burns, BS-BA

Chief Financial Officer
Ronda Horstman

Ronda Horstman

Chief Recovery Services Officer
Darrell Rodriguez

Darrell Rodriguez, BSME – MBA

Chief Quality & Regulatory Officer

Board of Directors

Executive Committee

G. Kent Holloway, MSF
Chair
John North
Vice Chair
Jason Schechterle
Secretary
Katherine “Kayti” Kloimwieder
Treasurer
Maha Kashani

Directors

Larry R. Dosser, PhD
Kenneth (Ken) M. Betz, BS, MS
Jim Dodok
Christopher Gordon, MD, FACS, FAAP
Richard D. Hasz, Jr.
Craig Van De Walker
Frances Cordova
Catherine Hankins
William (Bill) Locker
Sam Warwar, Esq.