Management Team:

David Breedlove | President and CEO

David Breedlove serves as the President and CEO of United Tissue Network. He has earned a Bachelor of Science in Biomedical Engineering and a Master in Business Administration from Arizona State University.

In his current role, David leads United Tissue Network’s operations by developing and managing strategic plans, and annual operative and capital budgets. He ensures the corporate vision and mission for United Tissue Network is focused on driving business growth through the development of strategic partnerships. His forward-looking vision includes succeeding in an evolving market with long-term goals that stay true to the company’s values and aid in advancing medical innovation.

David Breedlove

Hal Wm. Ezzell | Vice President & General Counsel

Hal Wm. Ezzell is a Vice President and General Counsel of United Tissue Network, Inc. He also serves on the Board of Directors of United Tissue Network, Inc. Previously, he served as the Managing Member of Ezzell & Wadley, PLLC. His 22-year career has included practicing law in both large firm and small firm environments, as well as serving as a Manager in a “Big 5” public accounting firm (Arthur Andersen & Co.). He received his Bachelor of Science degree in Accounting from the University of Central Oklahoma (1993) and his Juris Doctor degree from the University of Oklahoma College of Law (1996).  Hal is an active Member of the Oklahoma Bar Association (admitted 1997) and a former Member of the State Bar of Texas (admitted 1996, voluntarily resigned as inactive on 2000).

Areas of legal practice include a general regulatory and administrative law practice, representing business organizations in all aspects of governance and transactions  and real estate with an emphasis in zoning, land use and development.


Paul Gillum, MD| Vice President & Medical Director/Physician Advisor

Dr. Gillum serves as the Medical Director and Physician Advisor of United Tissue Network. He earned his Bachelor of Science with distinction (Microbiology) from the University of Oklahoma, and his Doctoral Degree with outstanding distinction from the University of Oklahoma College of Medicine, subsequently joining the faculty in the Departments of Dermatology and Pathology.

Through his 23 year medical career, Dr. Gillum has practiced Dermatology in a private setting and at the Universities of Oklahoma and Colorado, and acted as Medical Director of the Oklahoma Dermatopathology Institute. Dr. Gillum remains licensed in Oklahoma and Colorado. He continues his Dermatopathology practice and leads clinical trials as Principal Investigator / Sub-Investigator in the fields of Dermatology, Internal Medicine, Gastroenterology, and Psychiatry. He is Board certified in Dermatology and Dermatopathology, and is a member of the American Medical Association, Oklahoma State Medical Association, American Society of Dermatopathology, and past president of the Oklahoma State Dermatological Society.


Christine Steiger | Director of Operations

Christine Steiger serves as the Director of Operations at United Tissue Network. She has earned a Bachelor of Arts in Business Administration from California State Stanislaus. Christine has over 15 years of management experience.

In her current role, Christine coordinates and oversees operations in client services, donor services and laboratory activities. She manages United Tissue Network’s donor acceptance program and coordinates partnerships with local hospices and funeral homes. She also oversees new client onboarding and coordinates the maintenance of current and ongoing clients. Christine works to synchronize operating procedures across all departments to create an efficient and productive workplace.

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Board Members:

David Breedlove – Chairman
Hal Ezzell – Vice Charman
Jack Bott
Nicole Jarvis, M.D
Karen E. Vahlberg
Paul Gillum, MD