Andrew N. Pollak, MD, is the James Lawrence Kernan Professor and Chairman of the Department of Orthopaedics at the University of Maryland School of Medicine and Chief of Orthopaedics for the University of Maryland Medical System. Dr. Pollak is currently Consortium Vice-Chair for the Department of Defense-funded Major Extremity Trauma Research Consortium, a collaborative effort of approximately 50 centers focused on investigating treatment of high-energy musculoskeletal injuries. He serves as Commissioner for the Maryland Health Care Commission. He is a Past-President of the Orthopaedic Trauma Association, a past Treasurer and Chair of the Board of Specialty Societies for the AAOS and a Past-President of the Maryland Orthopaedic Association. He also serves as Medical Director of the Baltimore County Fire Department, Special Deputy United States Marshal and as Series Editor for the Orange Book EMS Textbook Series published jointly by the AAOS and Jones & Bartlett Publishers.