Stuntmen's Association of Motion Pictures
The Stuntmen's Association of Motion Pictures (SAMP) is an honorary society of motion picture stunt coordinators, stuntmen, and second unit directors. It was founded in 1961 by Loren Janes, who worked as a stunt double for Steve McQueen, and Richard Geary, who doubled for Robert Vaughn.
Source: Wikipedia — Stuntmen's Association of Motion Pictures (CC BY-SA 4.0)