OHA Board of Directors
OHA Bylaws
Executive Committee
Bennett Geister, Chair (2027)
Chief Executive Officer
Mercy
Corey Lively, Chair-Elect (2027)
Chief Executive Officer
Great Plains Regional Medical Center, Elk City
Denise Webber, Immediate Past Chair (2027)
President/CEO
Stillwater Medical Center
Xavier Villarreal, Secretary/Treasurer (2026)
Chief Executive Officer
Hillcrest Medical Center, Tulsa
Rich Rasmussen
President/CEO
Oklahoma Hospital Association
Regional Chairs
Northeast Region Chairman
Jimmy Leopard (2028)
Chief Hospital Executive
Wagoner Community Hospital
Northwest Region Chairman
Tom Vasko (2026)
Chief Executive Officer
Newman Memorial Hospital, Shattuck
OKC Region Chairman
Tammy Powell (2028)
President
SSM Health St. Anthony Hospital, OKC
Tulsa Region Chairman
Matt Adams (2027)
President
Ascension St. John Broken Arrow and Jenks
Southeast Region Chairman
Tiffany Griffis (2028)
Chief Executive Officer
Eastern Oklahoma Medical Center, Poteau
Southwest Region Chairman
Darin Farrell (2028)
Chief Executive Officer
Weatherford Regional Hospital
At-Large Members
Joe Hodges (2026)
President/CEO
SSM Health, OKC
Cindy J. Martin (2026)
Sr. Director, Hospital Administration
Cherokee Nation W.W. Hastings Hospital, Tahlequah
Bo Beaudry (2027)
CEO
Ascension St. John Health System, Tulsa
Richard Lofgren, M.D. (2027)
Chief Executive Officer
OU Health, OKC
Steve Hartgraves (2028)
President/CEO
Jackson County Memorial Hospital, Altus and Harmon Memorial Hospital, Hollis
Tim Pehrson (2028)
President & CEO
INTEGRIS Health
Physician Member
Dr. Cliff Robertson (2026)
President/CEO
Saint Francis Health System, Tulsa
AHA Delegate
Dr. Charles Grim (2026)
Secretary of Health
Chickasaw Nation Department of Health, Ada
Foundation Chair (Ex-Officio Voting Member)
Jay Johnson (2026)
President & CEO
DRH Health, Duncan