Dr. Knudson is currently a Professor of Surgery at UCSF, and the Principal Investigator of the CDC funded San Francisco Injury Center. She also serves as the Vice Chair of the Committee on Trauma, a member of the Executive Committee of the American College of Surgeons Committee on Trauma, Board of Managers, American Association for the Surgery of Trauma, on the editorial board of the Journal of Trauma, and as the Chair of the Western Trauma Association's Multi-center Trials Committee.