International Golf Federation
Chairman of the Medical Commission and Tue Committee
PGA TOUR
Medical Advisor
Physiofitness Associates
Owner
Max Sports Medicine
Medical Director
National Basketball Association (NBA)
Medical Advisor
Major League Soccer
Major League Soccer Policy and Procedure Committee
Columbus Crew
Chief Medical Officer
World Anti-Doping Agency
Tue Expert Advisory Group Committee Member
United States Anti Doping Agency
Medical Review Board
United States Golf Association (USGA)
Medical Advisor