Dr. Knudson is professor of Surgery and the principal investigator of the San Francisco Injury Center for Research and Prevention. She is a graduate of the University of Michigan School of Medicine. She completed her surgical residency at the Beth Israel Hospital/Harvard Medical School and the University of Michigan Medical School. She had additional fellowship training in pediatric surgery at the Stanford University Medical Center. Her primary interest is in trauma/critical care, and she served as the trauma director at San Jose Medical Center and as the associate trauma director at Stanford before joining the faculty at UCSF in 1989. Dr. Knudson was also involved in developing the new SFGH Women’s Imaging Center, made possible by a generous gift from the Avon Corporation to the San Francisco General Medical Center’s Breast Care Clinic, and she continues to serve as the co-director of the multi-discipline breast care clinic. Dr. Knudson is currently serving a four-year term as vice-chair of the American College of Surgeons Committee on Trauma. As a participant in the AAST/COT Senior Visiting Surgeons Program, Dr. Knudson has been involved in the care of injured soldiers at both Landstuhl Regional Medical Center in Germany and at Balad Air Force Hospital in Iraq and is working with the military to develop the world wide military trauma system. She is currently the chair of the publications committee for the Western Trauma Association. Dr. Knudson’s research interests include the use of ultrasound in trauma/critical care, resuscitation from shock, prevention of VTE, and all aspects of injury prevention. She currently serves as the chairperson of the National Trauma Institute’s science committee.