 Trained coaches work in schools to run a variety of games and sports, as well as teach techniques in group management, violence prevention and conflict resolution.Founder and former president Jill Vialet, who co-founded the Museum of Children’s Art (MOCHA) in Oakland, founded Sports4Kids in 1996, which would change its name to Playworks in 2009.Playworks initially worked at two schools in Berkeley, California in 1996.