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Greehey Children's Cancer Research Institute

Gail Tomlinson, MD,PhD
Professor of Pediatrics,
Division Chief of Hematology-Oncology

T 210.562.9001


Dr. Gail Tomlinson was recruited in 2007 to the University of Texas Health Science Center at San Antonio to lead the Division of Pediatric Hematology-Oncology and currently serves as Interim Director of the Greehey Children’s Cancer Research Institute (GCCRI). At the GCCRI, she focuses  on developing translational research studies aiming to bridge basic and clinical research.


Dr. Tomlinson received her M.D. from George Washington University School of Medicine and her Ph.D. in Biochemistry from Duke University. She completed an internship and residency at the National Children’s Medical Center in Washington, D.C. She did a research fellowship in cancer genetics at the University of Texas M.D. Anderson Cancer Center in Houston, followed by a formal fellowship in pediatric hematology-oncology at the University of Texas Southwestern Medical Center in Dallas. She was a faculty member at the University of Texas Southwestern Medical Center from 1992 to 2006, where she held the Children’s Cancer Fund Distinguished Professorship in Pediatric Oncology Research.  She currently is the holder of the Greehey Distinguished Chair in Cancer and Genetics.


Dr. Tomlinson is board certified in pediatrics and pediatric hematology-oncology. Her research interests are in the genetic origins of childhood cancers, particularly tumors of the liver.  She also has initiated an investigation of predisposing factors underlying the increased incidence of leukemia in children of Hispanic background in South Texas.


She directs the national registry of children with tumors of the liver as well as a comprehensive genomics investigation of pediatric liver tumors funded by the Cancer Prevention and Research Institute of Texas. She has served on multiple national and state committees focusing on advancing research in childhood cancer and has published over 120 scientific papers.