
Dr. Liu also serves as chief of the liver/gastrointestinal section and director of the gastrointestinal pathology fellowship program at Washington University. Her clinical and research interests include gastrointestinal inflammatory diseases, fatty liver disease, liver transplant pathology, and gastrointestinal, liver, and pancreatic cancers.
Liu earned her medical degree at Beijing Medical University in China. She holds a master’s degree in physiology and a Ph.D. in toxicology from the University of Arkansas for Medical Sciences and completed a residency and fellowship in pathology at the University of Alabama at Birmingham.

In addition to her faculty appointments at the University of Pittsburgh, Dr. Peck Palmer serves as the division director of clinical chemistry and as medical director of UPMC Presbyterian and Shadyside hospitals and automated testing laboratories. She is also the assistant medical director of the UPMC Children’s Hospital of Pittsburgh automated testing laboratory.
Dr. Peck Palmer is a graduate of Columbia College in South Carolina, where she majored in biology. She holds a Ph.D. in physiology from the Medical University of South Carolina in Charleston.

Dr. Bettenourt’s research focuses on burn care and pediatric acute care. She was recently a postdoctoral fellow at the University of Michigan, where she was appointed to the National Clinician Scholars Program and received advanced training in implementation science.
Dr. Bettencourt earned a bachelor’s degree in exercise science from the University of Florida and an accelerated bachelor’s degree in nursing from the University of North Carolina at Chapel Hill. She holds master’s degrees in nursing from Johns Hopkins University and in health care research from the University of Michigan, as well as a Ph.D. from the University of Pennsylvania.


