Board of Directors

Texoma Health Foundation (THF) is governed by a volunteer board of directors comprised of community and business leaders committed to improving the quality of life in our four-county service area. The board also includes a permanent voting seat for Reba McEntire, currently held by Cliff Williamson. Each member serves on at least one of five major committees: Audit, Bylaws, Executive, Finance and Grants and Giving.

Herman Ringler, Chair

Herman Ringler is a graduate of the University of Texas and served four years as an officer in the U.S. Army. His family owned and operated Ringler’s, a ladies clothing store on Denison’s Main Street, for more 60 years until it was sold in 2006. Ringler has been involved in many organizations in Denison throughout his career and is currently chair of THF and serves on the board of the Crisis Center. His wife, Julia, taught school for 36 years and they have three children.

Horace Groff, Vice Chair

Judge Horace Groff, a native of Denison, has been involved in public and community service most of his adult life. Groff has served the people of Grayson County for 41 years, the last 21 as County Judge. His involvement includes religious, civic and fraternal organizations, as well as Texoma Medical Center, Regsenberger Foundation, Loy Park Improvement Association and Habitat for Humanity. Judge Groff supports economic development, improved educational programs, care for the elderly and the creation of opportunities for children and youth.

Karen Hibbitt-Alford, Secretary/Treasurer

Karen Hibbitt-Alford has lived in Denison more than 40 years. She is a former public and private school teacher and is committed to the churches, children and schools of Denison. In addition to serving on the Denison City Council and as mayor pro tem, Hibbitt-Alford has served on numerous boards including the Commission on State Emergency Communications, Denison Education Foundation, Denison Service League, Denison Performing Arts, Waples United Methodist Church Endowment Fund, Texoma Council for Camp Fire, Business and Industrial Commission of Denison, Grayson County Justice Center Advisory, Texoma Concert Association and Texoma Medical Center Foundation.

Kay Skelton, Grants and Giving Chair

Kay Skelton has lived in Denison for 37 years and is an active volunteer at her church as well as with numerous community organizations. She is a co-founder of the Denison Education Foundation, a sustaining member of the Denison Service League and a past president of the Grayson County Guidance Clinic. She currently serves on the Board of Trustees of Abilene Christian University. Skelton’s involvement with Texoma Medical Center (TMC) began as a hospital volunteer. She is a past member of the TMC Development Committee and the TMC Foundation Board.

Kent Black, Finance Chair

Kent Black’s career in electronic engineering spanned 35 years and included serving as Executive Vice President and Chief Operating Officer of Rockwell. In 1995 Black led the formation of a new joint venture company, United Space Alliance, to serve as the prime contractor and operator of the Space Shuttle for NASA. He was the first CEO of the company and retired in 1997 to his ranch near Pottsboro. A graduate of the University of Illinois, Black has served on various civic and community boards including United Way of Dallas, Boy Scouts of America and as Dallas Chairman of U.S. Savings Bonds. In 2007, he received the inaugural Erik Jonsson School Award for Outstanding Leadership from the Jonsson Engineering School at the University of Texas at Dallas. He currently serves on the Grayson County Regional Mobility Authority and has been chair of the Grayson County Airport board.

Tony Kaai, CEcD

Tony Kaai is president of the Denison Development Alliance and the Denison Industrial Foundation. A graduate of Oklahoma State University, Kaai was previously president of Muskogee Development. He is a Certified Economic Developer and has served as president of the Oklahoma Economic Development Council and on the board of the Texas Economic Development Council. Besides serving on THF’s Board of Directors, Kaai also serves on the North Texas Regional Airport Development Committee, the Texoma Council of Governments Economic Development Policy Advisory Committee and the Advisory Board for the Center for Workplace Learning.

Samuel W. Graber

Sam Graber is an attorney practicing primarily estate planning and federal tax law. He graduated from Oklahoma State University before earning a law degree from the University of Tulsa and a Masters of Laws degree in taxation from Georgetown University. He is a member of the Oklahoma Bar Association, the State Bar of Texas and is one of only 75 Texas attorneys certified by the Board of Legal Specialization of the State of Texas in both estate planning and probate, and taxation. Graber has served as president of the Grayson County Rehabilitation Center, a state director of the Easter Seals Society and president of the Sherman Boys Club. He currently serves on the Board of Directors of Texoma Medical Center, as an advisory member of the Board of Directors of the Grayson County Rehabilitation Center, the Board of Governors of the Oliver Dewey Mayor Foundation and as a Trustee of the Children’s Clinic of Sherman. He and his wife, Jeanie, are members of First United Methodist Church in Sherman.

Angela C. Latham, M.D.

Dr. Angela Latham is a partner in TexomaCare, a group family practice, where she has practiced family medicine since 1996. She is also the chief medical officer of the Great Texoma Health Clinic, which provides low-cost primary medical care to eligible residents of Grayson County. Dr. Latham earned her medical degree from Texas A&M Health Science Center in Temple and completed her internship and residency at John Peter Smith Hospital in Fort Worth. She served as Texoma Medical Center Chief of Staff in 2007 and has served on the Texoma Medical Center Executive Committee and the Credentials Committee. Dr. Latham is a professional member of American Medical Association, the Texas Medical Association, the American Academy of Family Physicians and the Texas Academy of Family Physicians. Dr. Latham has donated her time and energy to many community boards and committees.

Phil McKinzie

Retired from the banking industry for ten years, McKinzie continues his leadership in the community through service on several local boards and foundations and the Marketplace Ministries Foundation Board of Dallas. He volunteers his expertise as an estate planner and travels the world as a working member of mission teams, including Buckner Orphan Care International. He is a member of First Baptist Church in Sherman. McKinzie was the Vice President and Manager of Bank of Texas Trust Department for 25 years and spent 40 years in the banking business. He holds a BS in Chemistry and Biology and did post graduate work at SMU’s School of Banking, devoting three years of study to commercial banking and another three specializing in trust services. He enjoys spending time on the family farm and ranch in Albany, just east of Calera.

Phil Roether

Prior to his retirement in December 1999, Phil Roether was a vice president at the Raytheon Company. Before joining Raytheon in July 1997, Roether was a vice president at Texas Instruments with a career that spanned 30 years in numerous engineering and management assignments. He serves on the THF Board of Directors’ investment committee. Roether also serves on several other boards and is the chair of the Grayson County Airport Board. He and his wife Betty reside at their ranch on Lake Texoma, northwest of Pottsboro, Texas. They have a son and daughter and four grandchildren.

Cliff Williamson

Cliff Williamson is Chief Operating Officer of Reba McEntire’s Starstruck Entertainment and Reba’s Business, Inc.
Williamson has been with the company for 18 years. In addition to managing Reba, Kelly Clarkson and Blake Shelton, the company includes the Reba Brand of clothing, home goods, luggage and recording studios located at 40 Music Square West in Nashville, Tennessee.

Jim Crittenden

Following a decision to focus on seeking representation on the Board from each of THF’s four counties comprising
our service area; Mr. Jim Crittenden was also invited to join the Board as a representative of Fannin County.
Mr. Crittenden has successful experience in business ownership and finance.

Dr. Darius Maggi

Dr. Darius Maggi agreed to join the Board this past September.
Dr. Maggi was originally responsible for encouraging Reba McEntire to help support healthcare services in Texoma and has a long history of nonprofit and philanthropic giving, both in Texoma and internationally.

Stefanie Stumpff

Stefanie Stumpff attended the University of Oklahoma and obtained degrees in Business Administration and Accounting.  She is a Certified Public Accountant and has background in Nursing Home Administration and Long Term Care.