He is also a professor of medicine at the University of California, Los Angeles (UCLA) School of Medicine. He is widely recognized in the field of guidelines, quality measurement, and evidence-based medicine. Dr. Shekelle has extensive experience in the health care arena and was previously the methodologist for the Agency for Health Care Policy and Research (now the Agency for Healthcare Research and Quality [AHRQ]) Low Back Guidelines Panel, and he has participated in a number of other guideline development activities. He is the immediate past chair of the Clinical Guidelines Committee of the American College of Physicians.