Donor Registry
Management Team
Samuel M. Holtzman III
President and Chief Executive Officer
Teresa Shafer, RN, MSN, CPTC
Executive Vice President and Chief Operating Officer
Charles Van Buren, M.D.
Executive Vice President and Chief Medical Officer
Patricia Rubin
Vice President and Chief Financial Officer
Kimberly Davis, RN, CPTC
Managing Director of Hospital Services, Southeast Region
Janice Whaley, MPH, CPTC, CTBS
Managing Director of Clinical Operations, Southeast Region
Ron Ehrle, RN, BSN, CPTC
Managing Director, North Region
Schawnté Williams-Taylor, RN, BSN, CCRN, CPTC
Managing Director, West Region
Jessica C. Leibold
Managing Director of Facilities
Carolyn Olivarez, LVN, CPTC
Director of Quality Assurance/Risk Management/Regulatory Compliance
Mark W. Roth, MHA / MBA, CTBS
Director, Tissue Recovery Services – Southeast Region
Laura Frnka, BS, APR
Director of Communications
Monique LeFlore, MHR
Director of Human Resources
Sergio Manzano Jr., RN, CPTC
Manager of Organ Recovery Services, North Region
Carla J. Arreola
Communications Center Manager
Ken Mireles, CTBS
Supervisor, Tissue Recovery Services – Southeast Region
Medical Directors
Charles Van Buren, M.D., Chief Medical Officer
Burt “Bo” Fowler, M.D.
R. Patrick Wood, M.D.
Board of Directors
Brenda Lyon, RN, MS, NEA-BC – Chair
Memorial Hermann Healthcare System, Houston
Barclay Berdan, FACHE
Texas Health Resources, Arlington
Nancy C. Cychol, RN, MSN
Cook Children’s Medical Center, Fort Worth
Joseph DeLeon, MPA
Texas Health Harris Methodist Hospital Fort Worth, Fort Worth
Samuel M. Holtzman III
LifeGift, Houston
Sharyn Ivory, FACHE, CPHQ
Covenant Medical Center, Lubbock
Kim Judd, RN, MSN, NEA-BC
University Medical Center, Lubbock
Richard J. Knight, M.D.
The Methodist Hospital, Houston
David Lopez, FACHE
Member-at-Large, Houston
Edward K. Massin, M.D.
St. Luke’s Episcopal Hospital, Houston
Luis Mieles, M.D.
Memorial Hermann - Texas Medical Center, Houston
Ruth Schiermeyer
Community Representative, Lubbock
Lawrence Schkade, Ph.D.
Community Representative, Arlington
Roberta Schwartz, MHS
The Methodist Hospital, Houston
Roland B. Smith, Ed.D., MPA
Community Representative, Houston
Kristen Turner, RN, MBA
St. Luke’s Episcopal Hospital, Houston
Charles Van Buren, M.D.
The University of Texas Health Science Center at Houton Medical School, Houston
R. Patrick Wood, M.D.
Member-at-Large, Houston
