2026-2027 Chapter Leadership
The Oklahoma chapter of HFMA continues to function based on the volunteer efforts of our members. Below are the chapter’s current elected officers, directors and committee chairs. If you would like to volunteer your time and efforts in any capacity, please reach out to any of these chapter leaders.
OFFICERS

Mike Lorenz
President

Priacilla Leatherman, FHFMA
Northeastern Health System
Priacilla is the Vice President of Finance at Northeastern Health System and has over 25 years’ experience in the healthcare industry. She has been a member of HFMA for over 8 years. Priacilla enjoys spending time with family and traveling. In her spare time, you will often find her at the ballfields watching her nephews play or at the lake.

Ryan White
Vice President

Tanya Mitchell
Secretary

Scott Blair
Secretary

Darren Walkup
Commerce Healthcare
Darren Walkup is a Sr. Vice President in the Commercial Bank at Commerce Bank and leads the Commerce Healthcare division for Oklahoma. Darren’s primary responsibilities include relationship management of current relationships as well as expanding Commerce’s Healthcare service offerings to all healthcare institutions across the State of Oklahoma. He received his BA in Finance from the University of Oklahoma in Norman and has an MBA in Accounting from Rockhurst University in Kansas City, MO. Before attending college, he served 5 years active duty in the United States Army. Darren currently serves on the Board of OK HFMA as well as the Board for the Community Food Bank of Eastern Oklahoma and is a past Board member for Tulsa Historical Society and the Arts & Humanities Council of Tulsa (now known as AHHA).
DIRECTORS

Jessica Elsberry
Forvis Mazars
Jessica is a Director with Forvis Mazars in Tulsa, Oklahoma working as an auditor alongside her hospital and healthcare clients throughout the state. She enjoys traveling with friends and family and especially trying new and unique restaurants on her journey. But when she’s not out on the town, you can find her on the couch reading and cuddling with her two cats, Tonks and Minerva.

Cheryl Perry
Director (YR1)

Jeremy Bennett
Director (YR1)

Amanda Martinez-Reyes
Director (YR2)

Rhett Wallis
Director (YR2)

Sandy Decker, CRCR
Director (YR2)

Lisa Hart, CPA
Ex Officio
COMMITTEE CHAIRS
Katharine Johnston, CPA
Certification Chair
Weaver
William Rodgers
Certification Co-Chair
William Rodgers
Communication Chair
Tanya Mitchell
Communications Co-Chair
UnityPoint Health
Tyler Bernier, FHFMA, CPA
Cvent Chair
Eide Bailly
Cassie Walden
Founders Chair
Knowtion Health
Tiffany Avery
Membership Chair
Casse Walden
Membership Co-Chair
Knowtion Health
Ryan White
Programs/Education Chair
Priacilla Leatherman, FHFMA
Programs/Education Co-Chair
Northeastern Health System
Scott Sanders
Region 9 Regional Executive
Heather Rose/Texas
Region 9 Treasurer
Emilee Anderson
Social Events Chair
Jessica Elsberry
Sponsorship Chair
Forvis Mazars
Louise Kiper
Sponsorship Co-Chair
American Collections
2023-25
Shannon Cleburn
Region 9 Representative
Knowtion Health
Tamie Young
Region 9 Representative
Stillwater Medical Center
2021-25
Erin Thompson
Region 9 Treasurer
Forvis Mazars
2024-2026
Scott Sanders
Region 9 Regional Executive
Aetna
BOARD COMMITTEES
Certification
- Katharine Johnston | Weaver | Co-Chair
- Rostina Swindall | Oklahoma Heart Hospital | Co-Chair
Communications
- William Rodgers | HBCS Revenue Cycle | Chair
- Tanya Mitchell
- Phillip Smith | INSURICA
- Tyler Bernier | Eide Bailly
Membership
- Tiffany Alvey | Eide Bailly | Chair
- Cassie Walden | Knowtion Health | Co-Chair
- Stephanie Anderson | FORVIS
- Angela Wright | Norman Regional Health
Programs
- Mike Lorenz | INTEGRIS | Chair
- Darren Walkup | Commerce Healthcare | Co-Chair
- Phillip Smith | INSURICA
- Tyler Bernier | Eide Bailly
- Louise Kiper | American Collection Services
- Scott Sanders | Friday Health Plans
- Karen Knight | Face Rock Enterprises
- Priacilla Leatherman | Northeastern Health System
- Tamie Young | Stillwater Medical Center
- Jessica Elsberry | Forvis
- Bill Rodgers | HBCS Revenue Cycle
- Rostina Swindall | Oklahoma Heart Hospital
- Robert Dudley | BOK Financial
- Mitzi McCullock | Oklahoma Hospital Association
- Amanda Martinez-Reyes | LifeCare
- Shannon Cleburn | Knowtion Health
Social
- Karen Todd | Stillwater Medical Center | Chair
- Shannon Cleburn | Knowtion Health
- Rostina Swindall | Oklahoma Heart Hospital
Sponsorship
- Jessica Elsberry | Forvis | Chair
- Louise Kiper | American Collection Services | Co-Chair
- Mike Lorenz | INTEGRIS Health
- Tyler Bernier | Eide Bailly
- Scott Sanders | Aetna
- Phillip Smith | INSURICA
| Name | Company | Year |
|---|---|---|
| Darren Walkup | Commerce Healthcare | 2025-2026 |
| Phillip Smith | INSURICA | 2024-2025 |
| Tyler Bernier | Eide Bailly | 2023-2024 |
| Louise Kiper | American Collection Services, Inc. | 2022-2023 |
| Scott Sanders | Oklahoma Heart Hospital | 2021 |
| Scott Sanders | Oklahoma Heart Hospital | 2020 |
| Andrew Hejtmanek | BKD | 2019 |
| Anne Adams | Chapman Foundation Management, LLC | 2018 |
| Julie Ward | Northeastern Health System | 2017 |
| William Clark | BKD, LLC | 2016 |
| Jeff Mincher | Norman Regional Health System | 2015 |
| Shannon Fuller | Works & Lentz, Inc | 2014 |
| Sherry Collins | Eide Bailly LLPæ | 2013 |
| Carley Williams | BKD, LLP | 2012 |
| Erin Hill | BKD, LLP | 2011 |
| Amy Marsh | INTEGRIS Baptist Regional Health Center | 2010 |
| Karen Reynolds | INTEGRIS Marshall County Medical Center | 2009 |
| Tamie Osburn | Gustafson & Associates, Inc. | 2008 |
| Karen Hendren | Stillwater Medical Center | 2007 |
| Becky Speight | Tulsa Regional Medical Center | 2006 |
| Rick Kelly | Saint Francis Home æ Medical Equip. | 2005 |
| Lloyd Haggard | BKD, LLP | 2004 |
| Ann L. Paul | æAetna Health, Inc. | 2003 |
| Jerry Gardner | Integris Health | 2002 |
| Steven Mattachione | Mercy Health System | 2001 |
| Kevin Gore | BKD, LLP | 2000 |
| Jack Conkling | Southwestern Memorial Hospital | 1999 |
| Linda Farrar | Renaissance Center | 1998 |
| Barry Steichen | Saint Francis Health System | 1997 |
| Richard Wagner | Madole Wagner PLLC. | 1996 |
| Duane Cutter | Price Waterhouse | 1995 |
| Dwayne Worthy | Caring Touch Home Care (OKC) | 1994 |
| Dennis Peare | BKD, LLP | 1993 |
| Robert Junger | Saint Francis Hospital | 1992 |
| John Meharg | æNorman Regional Hospital | 1991 |
| Patricia Andersen | Duncan Regional Hospitalæ | 1990 |
| Steve Dorsettæ | Broken Arrow Medical Center | 1989 |
| Errol Mitchell | Integris Baptistæ Medical Center | 1988 |
| Rory Ward | Valley View Regional Hospital | 1987 |
| Rollo Maxwell | Saint Francis Hospital æ | 1986 |
| Ron Cunningham | Mercy Health Center | 1985 |
| George Posey | St. Mary’s Hospital | 1984 |
| Boyd Tudor | St. Anthony Hospital | 1983 |
| Gary Gunder | Muskogee General Hospital | 1982 |
| Herb Tohlen | Jane Phillips Medical Center | 1981 |
| Darrell Wilson | Doctors Medical Center | 1980 |
| Sam Price | St. Anthony Hospital | 1979 |
| Fred Mills | Miami Baptist Hospital | 1978 |
| Max Armstrong | Community Hospital (Kingfisher) | 1977 |
| Bobby Thompson | Arbuckle Memorial Hosp. | 1976 |
| Ben Schnitzius | Memorial Hospital (Collinsville) | 1975 |
| Thomas Giaudrone | McAlester Reg Health Center | 1974 |
| Ann Heslar | Grand Valley Hospital | 1973 |
| Ann Heslar | Grand Valley Hospital | 1972 |
| Bob Parmeter | Jane Phillips Medical Center æ | 1971 |
| Doyal Knowles | Hillcrest Medical Center | 1970 |
| James Powers | Valley View Regional Hospital | 1969 |
| Dan Nesom | Muskogee General Hospital | 1968 |
| Dan Nesom | Muskogee General Hospital | 1967 |
| Clyde McNutt | Oklahoma General Hospital | 1966 |
| George Peter | St. Mary’s Hospitalæ | 1965 |
| Harry Hopkins | æNorman Municipal | 1964 |
| Marion Pickettæ | Wesley Hospital | 1963 |
| Ralph Stumpp | OU Medical Center | 1962 |
| Opal Campbell | ACH Hospital | 1961 |
| John Henson | Hillcrest Medical Center | 1960 |
| John Henson | Hillcrest Medicalæ Center | 1959 |
| William Mauldin | Capital Hill Generalæ Hosp. (OKC) | 1958 |
| William Mauldin | Norman Municipal | 1957 |
| Johnnie Kimball | Southwestern Hospital | 1956 |
| Stanley Voss | Valley View Hospital | 1955 |