A native of the Chicago suburbs, Dr. Geraghty earned his undergraduate and medical school degrees through Northwestern University’s Honors Program in Medical Education. He subsequently completed general surgery residency and a surgical internsive care fellowship at the University of Michigan Hospitals in Ann Arbor. He concluded his training as a vascular surgical fellow at Washington University Medical School/Barnes-Jewish Hospital in St. Louis, and subsequently joined that institution’s vascular surgical faculty. He serves as Professor of Surgery and Radiology and has trained over 50 vascular surgeons in his 25 years at WUSM.

Dr. Geraghty co-founded the St. Louis region’s first multidisciplinary limb preservation program. While maintaining a broad-based vascular surgical practice, Dr. Geraghty’s primary clinical and research focus has been the development and validation of new techniques to treat atherosclerotic and aneurysmal disease of the lower extremities, with a secondary focus on hemodialysis access creation and maintenance. He has served as national and/or global principal investigator of multiple IDE trials, including the VIBRANT trial, Lutonix Below The Knee trial, Intact Vascular TOBA II Below The Knee trial, the SAVAL trial, and the ongoing InspireMD C-Guardians II & III trials.

Dr. Geraghty has held multiple leadership roles in regional and national societies. He is a past president of the Midwestern Vascular Surgical Society. Nationally, he has served as chair of the Society for Vascular Surgery Technology Assessment Committee, member of the SVS Lower Extremity Practice Guidelines Writing Group, Global Vascular Guidelines Writing Group, & SVS Popliteal Aneurysm Guidelines Writing Group. He has provided advisory service to the U.S. Food & Drug Administration through the Peripheral Academic Research Consortium and SVS Critical Limb Ischemia Work Group. Dr. Geraghty co-founded the SVS Complex Peripheral Intervention Skills Course and serves on the SVS Strategic Board of Directors. His service to the SVS has been recognized through selection as one of the Society’s Distinguished Fellows.