Dr. Joshua Weintraub is the executive vice chairman of the Department of Radiology and chief of the Division of Vascular and Interventional Radiology. Board-certified in diagnostic radiology with additional subspecialty certification in vascular and interventional radiology, Dr. Weintraub is professor of radiology (in surgery) at Columbia University Irving Medical Center an an assistant attending radiologist at NewYork-Presbyterian Hospital. He was previously the vice chairman of radiology and director of vascular and interventional radiology at Mount Sinai Medical Center. Dr. Weintraub is internationally recognized in the field of vascular and interventional radiology as a researcher, educator, and innovator. Dr. Weintraub has participated in multiple clinical trials in the areas of locoregional cancer therapy and vascular disease. He was a co-principle investigator of a major international study evaluating the treatment of acute venous thrombosis via thrombus removal with adjunctive catheter-directed thrombolysis. Dr Weintraub is a fellow with the Society of Interventional Radiology and a member of the Radiology Society of North America (RSNA), the American Roentgen Ray Society, and the American College of Radiology (ACR).