Gen-Ki Karate & Fitness Center is a martial arts school in Chicago with roots dating back to the mid-1960s. Jerry Weiss began teaching in the Gen-Ki Karate system in 1972 and officially took over ownership in 1974 at the Milwaukee Avenue location. The school teaches karate with an emphasis on physical fitness, discipline, self-confidence, concentration, character development, and self-defense. Its approach notes that students do not enter competition until both the student and instructor agree they are ready.