Adjunct Professor
Department of Pathology
University of Texas MD Anderson Cancer Center
Consultant
ECOG-ACRIN Cancer Research Group

Stanley R. Hamilton, MD, FCAP, AGAF, is the former Professor and Head of Pathology and Laboratory at the University of Texas MD Anderson Cancer Center from 1998 to 2020 and Professor and Chair of the Department of Pathology at City of Hope National Medical Center from 2020 to 2024. He is a digestive system and molecular pathologist internationally recognized for his expertise in gastrointestinal oncologic pathology, with a particular emphasis on colorectal cancer and use of biomarkers in clinical trials in the ECOG-ACRIN Cancer Research Group in the NCI National Clinical Trials Network.

Dr. Hamilton earned his medical degree from the Indiana University School of Medicine. He completed internship and residency training in Pathology and Laboratory Medicine at The Johns Hopkins University School of Medicine and Hospital in Baltimore, followed by fellowship training at St. Mark’s Hospital in London. He remained on the faculty at Johns Hopkins before being recruited in 1998 to the University of Texas MD Anderson Cancer Center.

Throughout his career, Dr. Hamilton has been a national leader in pathology and laboratory medicine and is widely regarded as one of the pioneering pathologists of his generation. He played a central role in expanding pathology and laboratory medicine at MD Anderson Cancer Center as a world-class institution and supporting clinical trials in ECOG-ACRIN including the NCI-MATCH (Molecular Analysis for Therapy Choice trial, EAY131, NCT02465060). At City of Hope his work focused on advancing digital pathology, strengthening biomarker integration into clinical trials, and expanding high-quality pathology services across City of Hope’s national network to support precision oncology.