Dr. John Hart, M.D.
Dr. John Hart joined the faculty of the University of Chicago Department of Pathology as an assistant professor in 1991, rose to the rank of full professor in 2004, and became Vice Chair for Anatomic Pathology in 2023. He was the first chief of the Section of GI & Hepatic Pathology, and initiated the GI & Hepatic Pathology Fellowship, which to date has graduated 35 GI & Hepatic pathologists who are now working in leading academic pathology departments throughout the United States and Canada. Dr. Hart has published more than 250 articles in the fields of gastrointestinal and hepatic pathology. He has lectured throughout the United States and in Europe, the Middle East, South America, and Asia. He is a past President of the United States and Canadian Academy of Pathology and also of the Rodger Haggitt Gastrointestinal Pathology Society. He was Co-Director of the USCAP Liver Long Course in 2024.

Dr. Greg Lauwers, M.D. 
Dr. Gregory Lauwers is a Senior Member in Anatomic Pathology at Moffitt Cancer Center and Professor in the Departments of Oncologic Sciences and Pathology and Cell Biology at the University of South Florida

Dr. Lauwers received his MD from the University of Paris, France. He completed a Surgical Pathology Residency at Lenox Hill Hospital, New York, NY and a Fellowship in Oncologic Pathology at Memorial Sloan-Kettering Cancer Center, where he also served as Chief Fellow. Following his Fellowship, Dr. Lauwers served successively in the Department of Pathology at the University of Florida; in the Department of Department of Pathology at Massachusetts General Hospital (Harvard Medical School) and in the Department of Pathology at the University of California San Francisco.

Dr. Lauwers has published over 500 peer-reviewed articles, editorials, reviews, and book chapters, and is coauthor of several textbooks, including the 5th and 6^th editions of Morson and Dawson’s Gastrointestinal Pathology; “Advances in Surgical Pathology: Gastric Cancer” and recently “Gastrointestinal Pathology: Correlative Endoscopic and Histologic Assessment”

Dr. Lauwers serves on the editorial boards of several journals. He also contributed to the WHO Classification of Tumours of the Digestive System, 4^th and 5^th edition (2010 and 2019) and currently serves on the Expert Members Committee for the forthcoming 6^th edition. 

 Dr. Lauwers’ areas of clinical focus include luminal malignancies of the gut (particularly esophageal and gastric adenocarcinoma)

Dr. Rish Pai, M.D., Ph.D.
Dr. Rish K. Pai earned his M.D., Ph.D. from Case Western University School of Medicine in Cleveland, Ohio and completed his anatomic pathology residency followed by a gastrointestinal and hepatic pathology fellowship at the University of Chicago.  Dr. Pai is currently a GI/Liver pathologist at Sinai Health System and Professor of Laboratory Medicine and Pathobiology at the University of Toronto Temerty Faculty of Medicine.  Dr. Pai has lectured nationally and internationally on many aspects of gastrointestinal and hepatic pathology and has directed multiple GI and Liver continuing medical education courses. He is also Past-President of the Rodger C. Haggitt Gastrointestinal Pathology Society. Dr. Pai has published over 230 articles and written multiple book chapters in the fields of gastrointestinal and hepatic pathology.