Dr. John York is the Chairman of the NFL Owner’s Health and Safety Advisory Committee since its inception in 2011. Dr. York graduated from the University of Notre Dame and serves as a member of the Science Advisory Council since 1998.

Dr. York received his MD degree from Loyola University Stritch School of Medicine in Chicago and was honored as the 2008 Stritch Medal recipient, awarded annually to a member of the faculty or an alumnus who demonstrates the ideals of medicine promoted by Stritch. He was a medical resident and fellow in pathology and hematopatholgy at Vanderbilt University. Dr. York began his medical business career in 1982 as founder of DeYor Laboratories in Youngstown, Ohio, which provided medical, industrial and veterinary laboratory results. DeYor grew to 500 employees with operations in 3 states before the laboratory business was sold to a nationwide laboratory in 1993.

Dr. York works closely with the NFL and the multiple NFL Medical and Engineering committees. The NFL has recorded and studied injury surveillance since 1980. Dr. York assisted with the upgrade of the collection of injury data and statistical review in 2010. An electronic medical records system for all players was implemented in 2011 and the EMR system was coupled with injury surveillance, shortly thereafter. Improvements were implemented for field surfaces, ongoing improvements continue with player equipment, helmets and shoes. The medical committees consist of many university physicians, experts in their fields, advising the NFL on medical and safety issues. The NFL implemented engineering research on field surfaces, shoes, helmets and sensors.

Dr. York also serves on the Audit Committee and the International Committee, formerly the Chairman of the latter committee. He assists in the promotion of player safety in NFL games outside the US in London and Mexico City. The 49ers played the first regular season game outside the US in Mexico City in 2005.