Mark A. Wallace

President and Chief Executive Officer

Mark A. Wallace was appointed President and Chief Executive Officer of Texas Children’s Hospital in 1989 at the age of 36. Under his leadership, Texas Children’s has grown into one of the nation’s largest and most comprehensive pediatric and women’s health care organizations, garnering more than 3.6 million patient encounters annually and achieving international recognition as a referral center. In 2018, Texas Children’s Hospital was ranked...

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Mark W. Kline, MD


Mark W. Kline, MD, has been treating children with HIV/AIDS since the epidemic first surfaced among these youngest of patients in the late 1980s. He has been instrumental in investigations of clinical therapies that have radically changed the outlook for children with HIV/AIDS. Children who once had little hope now have access to successful treatments that are allowing them to enter adulthood with a quality of life never imagined only 15 years ago...

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Larry H. Hollier, Jr., MD


Dr. Larry H. Hollier, Jr. is a board-certified plastic surgeon who specializes in plastic and reconstructive surgery, including pediatric hand surgery, facial fractures, cranial vault remodeling, midfacial distraction, and mandibular distraction. Dr. Hollier trained under Dr. Joseph McCarthy, the first surgeon in the United States to perform a facial distraction.
Since 1996, Dr. Hollier has participated in numerous surgical training trips to Haiti,...

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Michael A. Belfort, MD, PhD


Michael A. Belfort, MD, PhD, is Chair of the Department of Obstetrics and Gynecology at Baylor College of Medicine (BCM) and Obstetrician and Gynecologist-in-Chief of Texas Children’s Hospital. A specialist in maternal-fetal medicine and fetal intervention,...

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Dean B. Andropoulos, MD, M.H.C.M.


Dean Andropoulos, M.D., M.H.C.M. is Anesthesiologist-in-Chief at Texas Children’s Hospital, and Professor of Anesthesiology and Pediatrics, and Vice Chair for Clinical Affairs in the Department of Anesthesiology at Baylor College of Medicine. He received his M.D. degree from the University of California, San Diego, and completed Pediatrics and Anesthesiology residencies at the University of California, San Francisco. He also earned a Master’s Degree in...

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James Versalovic, MD, PhD


Dr. Versalovic serves as Pathologist-In-Chief at Texas Children’s Hospital and Director of Texas Children’s Microbiome Center. He is the Milton J. Finegold Professor and Vice Chair of Pathology & Immunology at Baylor College of Medicine.  He also is Professor of Molecular and Human Genetics, Molecular Virology & Microbiology, and Pediatrics, and Co-Director of the Medical Scientist (MD/PhD) Training Program at Baylor College of Medicine.


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