Dr. Nicholas Sgaglione is Professor and Chair of the Northwell Health System Department of Orthopedic Surgery and at the Zucker School of Medicine at Hofstra / Northwell. He also serves as the Senior Vice President for Orthopaedics for the Northwell Health System and Executive Director of the Northwell Orthopaedic Institute in New York. Dr. Nicholas Sgaglione has been in clinical practice for 33 years in Great Neck, New York. He graduated from the Mount Sinai School of Medicine and completed his residency in orthopaedic surgery at the Hospital for Special Surgery in New York followed by a fellowship in sports medicine at the Southern California Orthopaedic Institute in Los Angeles. Dr. Sgaglione was elected as president of the Arthroscopy Association of North America for 2012- 2013 and served on its Board of Directors beginning in 2008. Dr. Sgaglione was elected by his peers to the American Orthopaedic Association in 2006, a national society for leadership, education, and research. He recently served as Chair of the Board of Trustees of the Arthroscopy Association of North America Education Foundation. He has also served as the New York State delegate for the American Orthopaedic Society of Sports Medicine. He is an active member of the American Academy of Orthopaedic Surgeons, American Orthopaedic Society of Sports Medicine, International Cartilage Regeneration and Joint Preservation Society, International Society of Arthroscopy, Knee Surgery and Orthopaedic Sports Medicine and the New York Society of Orthopaedic Surgeons. Dr. Sgaglione has served on the Board of Trustees of the Arthroscopy Journal and as well as the Chair of the Board for that Journal. He has also served on the editorial board of several medical journals and is the editor of three orthopaedic textbooks and more than 100 published articles and book chapters on knee, shoulder, ankle, and cartilage surgery. Dr. Sgaglione specializes in sports medicine and has served as the Team Orthopaedist for numerous Long Island High Schools and the United States Merchant Marine Academy for the past 33 years. Dr. Sgaglione is an honorary police surgeon for the NYPD. He has served as an orthopaedic consultant to the United States Ski Team, the US Professional Golf Association and as the team orthopedist and medical director for the Major League Lacrosse, New York Lizards. He currently is the medical director for Hofstra University Athletics.