Mark Helfand, M.D., M.P.H., M.S., is Staff Physician, Division of Hospital and Specialty Medicine, Department of Medicine, Portland Veterans Affairs Medical Center and Professor of Medicine/General Internal Medicine, Department of Medical Informatics and Clinical Epidemiology, OHSU School of Medicine. He is Director, Oregon Evidence-based Practice Center funded by the Agency for Healthcare Research and Quality (AHRQ) and Principal Investigator, Scientific Resource Center for the AHRQ Effective Health Care Program. Dr. Helfand is certified by the American Board of Internal Medicine and American Board of Critical Care Medicine. He is a Health and Medical Consultant, Consumers Union Reports, Best Buy Drugs Project. Dr. Helfand is editor-in-chief for the Society for Medical Decision Making for the (Journal of) Medical Decision Making. A graduate from Stanford University, Dr. Helfand earned a medical degree and master's degree in public health from the University of Illinois at Chicago and completed his residency at Stanford University Medical School, where he also completed a health services research fellowship.