Our Team
Faculty
The Division of Trauma and Emergency Surgery was established in 1993 to centralize and improve the care of trauma victims in Bexar County and the surrounding 22-county region in South Texas.
Brian J. Eastridge, M.D., FACS
Professor/Clinical | Division Chief | Jocelyn and Joe Straus Endowed Chair in Trauma Research
John G. Myers, M.D., FACS
Professor/Clinical | Dr. Arthur S. and Iris G. McFee Professorship | Department of Surgery Vice Chair for Clinical Operations | Immediate Past Chief of Staff, University Hospital, San Antonio, TX | OR Medical Director for University Hospital, San Antonio, TX
Donald H. Jenkins, M.D., FACS
Professor/Clinical, | Vice Chair for Quality, Department of Surgery | Betty and Bob Kelso Distinguished Chair in Burn and Trauma Surgery | Associate Deputy Director, Military Health Institute
Lillian Liao, M.D., MPH, FACS
Associate Professor/Clinical | Pediatric Trauma Medical Director | University Hospital Pediatric Trauma and Burn Director
Ronald M. Stewart, M.D., FACS
Professor | Chair, Department of Surgery | Dr. Witten B. Russ Chair in Surgery
Daniel L. Dent, M.D., FACS
Distinguished Teaching Professor | Vice Chair for Education | Professor of Surgery
Susannah E. Nicholson, M.D., MS, FACS
Associate Professor/Research | Director, Research Operations | Dr. Ferdinand P. Herff Chair in Surgery
Mark T. Muir, M.D., FACS
Associate Professor/Clinical | Trauma Medical Director, University Hospital
Christopher E. Crane, M.D., MS, FACS
Associate Professor/Clinical | Emergency Surgery Director, University Hospital
Elizabeth P. Scherer, M.D., MPH, FACS
Associate Professor/Clinical | Medical Director, SICU, University Hospital | Program Director, Surgical Critical Care Fellowship
Ashley C. McGinity, M.D.
Assistant Professor/Clinical
Erika Brigmon, M.D.
Assistant Professor/Clinical | Lead for Project Inspire
Katie Wiggins-Dohlvik, M.D., FACS
Medical Director, Pediatric Trauma
Nicole Bragg, M.D.
Assistant Professor/Clinical
Nicholas Taylor, M.D.
Assistant Professor/Clinical
Christopher Brown, M.D.
Assistant Professor/Clinical
David L. Lizarraga, D.O.
Assistant Professor/Clinical
Aashish Rajesh, MBBS
Assistant Professor/Clinical
Adjunct/Adjoint Faculty
Mark T. Foster, M.D., MS, FACEP, FCCM
Associate Professor/Clinical, Department of Emergency Medicine and Department of Surgery, Division of Trauma and Emergency Surgery
Phillip Mason, M.D., MS
Professor/Clinical, Anesthesiology | Medical Director, Cardiothoracic and Transplant ICU
Ali Seifi, M.D., FACP, FNCS, FCCM
Professor, Departments of Neurology, Neurosurgery and Anesthesia
CDR Shane Jensen, M.D., FACS, US Navy
Program Director, Acute Care Surgery/Surgical Critical Care Fellowship | Navy Specialty Leader for Trauma
Brooke Army Medical Center (BAMC)
Advanced Practice Providers
William Butler, PA-C
Specialist
Amanda B. Loquias, RN, MSN
Specialist
Mary Von Heiland, MSN, RN, CPNP
Specialist
Daniel Martin, MSN, RN, AGACNP-B
Specialist
Monzerrat Luevano, MSN, APRN, AGACNP-BC
Specialist
Raul A. Macchia, DNP, RN-ACU, AGACNP
Specialist
Margaret A. Sanchez, PA-C, MPH
Specialist
Kristen L. Johnston, PA-C
Specialist
Nancy M. Vergara, PA-C
Specialist
Scott Martindale, PA-C
Specialist
Research Team
Susannah E. Nicholson, MD, MS, FACS
Associate Professor/Research | Director, Research Operations | Dr. Ferdinand P. Herff Chair in Surgery
During her residency, she also completed a research fellowship, earned a Master’s degree in Clinical Investigation (UT Health San Antonio, 2009) and was awarded an NIH Loan Repayment Award for her research in the role of endogenous carbon monoxide and hemoperitoneum following trauma. She completed a fellowship in Surgical Critical Care at UT Health San Antonio in 2014 and is board certified in General Surgery. Dr. Nicholson’s current research focuses on the role of the innate immune system and inflammation in trauma patients. She was awarded a Mentored Research Career Development Award in Clinical & Translational Science in 2014 for her research evaluating the relationship between inflammation and intracellular components released into the circulation following cellular injury called Damage-associated molecular proteins (DAMPs) and patient outcome. Additionally, she has research interests in the microbiome of critically ill and injured patients, trauma systems, geriatric trauma, and pediatric trauma.
Rachelle Babbitt Jonas, RN, BSN
Manager, Research Operations
Mrs. Jonas, a Registered Nurse, completed her Bachelors of Science degree in Nursing from Texas Tech University Health Science Center in Lubbock, Texas in 2001. She joined the trauma research staff at the Health Science Center in 2004.
Stephanie DeMoor, MPH, CCRC
Research Area Specialist – Associate
Ms. DeMoor completed her undergraduate education at St. Mary’s University in San Antonio, TX. She worked as a medical scribe in multiple emergency departments across the country before moving into clinical research. She joined the trauma research team at the UT Health San Antonio in 2015.
Lauran Barry, CCRC
Research Area Specialist – Associate
Ms. Barry completed her Bachelors of Science degree in Biological Psychology from the University of California, Davis. Before coming to UT Health San Antonio, she worked as a research associate for 5 years in the fields of emergency medicine, neuroscience for robotics and engineering, and developmental psychology. She joined the UT Health San Antonio trauma research staff in 2017.
Christian Gerhardus
Research Area Specialist-Intermediate
David C. Limon, MD
Research Area Specialist-Intermediate
Sam S. Manoharan, MBBS
Research Area Specialist-Associate
Raquel F. Reyes
Clinical Research Project Manager
Cami A. Vinz, MS
Research Area Specialist-Associate