Researchers

Principal Investigators

William M. Lee, M.D.

Professor
Department of Internal Medicine

Dr. Lee earned his bachelor's degree from Amherst College and his medical degree from Columbia University College of Physicians and Surgeons. He completed residency training in Internal Medicine at the Presbyterian Hospital in New York City (Columbia-Presbyterian Medical Center) and served as chief resident there. He was honorary registrar and research fellow to Roger Williams, M.D., at the Liver Unit, Kings College Hospital, London, 1973-1974.

He was on the faculty of Columbia University College of Physicians and Surgeons and the Medical University of South Carolina before coming to UT Southwestern in 1990.

Dr. Lee has been active in clinical research in the field of viral hepatitis and drug-induced liver injury. He has been site investigator for four networks sponsored by the National Institute of Diabetes, Digestive, and Kidney Diseases: the HALT-C Trial, the Acute Liver Failure Study Group, the Drug-Induced Liver Injury Network, and the Hepatitis B Research Network.

William Lee

Shannan Tujios, M.D.

Associate Professor
Department of Internal Medicine

Dr. Tujios earned her medical degree at the University of Louisville School of Medicine. She completed an internal medicine residency and a transplant hepatology fellowship at University of Michigan Hospitals and a gastroenterology/hepatology fellowship at UT Southwestern/Parkland Health & Hospital System in Dallas.

She joined the UT Southwestern faculty in 2011.

Dr. Tujios is a member of professional organizations that include the American College of Gastroenterology, the American Society of Transplantation, the American Association for the Study of Liver Disease, and the American Society for Gastrointestinal Endoscopy.

Shannan Tujios

Clinical Research Managers

Nahid Attar, M.S., M.T., CCRC

Clinical Research Manager
214-645-6188
Email

Jody Rule, Ph.D., NRCC-CC, MT(ASCP)SC

Clinical Research Manager
214-645-6113
Email

Principal Investigators

David Koch, M.D.

Principal Investigator,
Medical University of South Carolina
843-792-6901
Email

Daniel R. Ganger, M.D.

Principal Investigator
Northwestern University Medical School
312-695-4496
Email

A. James Hanje, M.D.

Principal Investigator,
The Ohio State University
614-293-6255
Email

Brendan McGuire, M.D.

Principal Investigator,
University of Alabama at Birmingham
205-996-2089
Email

Constantine J. Karvellas, M.D.

Principal Investigator
University of Alberta Hospital
780-492-4390
Email

Bilal Hameed, M.D.

Principal Investigator,
University of California, San Francisco
415-353-2318
Email

Jody C. Olson, M.D.

Principal Investigator
University of Kansas Medical Center
913-588-6183
Email

Robert Fontana, M.D.

Principal Investigator
University of Michigan Medical Center
734-936-4780
Email

Iris Liou, M.D.

Principal Investigator
University of Washington
206-598-4908
Email

Todd Stravitz, M.D.

Principal Investigator
Virginia Commonwealth University
804-828-8514
Email

Michael Schilsky, M.D.

Principal Investigator
Yale University School of Medicine
203-737-1592
Email