Michael Weiner

Major League Baseball Players Association promotes members social and civic activities. The union negotiates salaries, arbitrates grievances, ensures the on-field safety of its players, controls the license for MLB and distributes licensing revenues for players, coaches, managers and trainers. The company was founded in 1966 and is headquartered in New York City, NY

National Hockey League Players' Association operates membership organizations. It is the labor union representing the interests of professional hockey players in the National Hockey League. The company negotiates the collective bargaining agreement with the NHL as well as licensing deals and it promotes the players community relations activities. National Hockey League Players' Association was founded in June 1967 and is headquartered in Toronto, Canada.