Kammala jumla mai zuwa: Ronald S. Barak (an haife shi a ranar 7 ga Yuni, 1943) ɗan wasan motsa jiki ne na Amurka. A cikin
Wasannin Maccabiah na 1961 ya lashe lambar zinare takwas, lambar azurfa guda ɗaya, da lambar tagulla guda ɗaya. A 1964 NCAA Men's Gymnastics Championships ya lashe gasar gaba daya, sanduna masu kwance, da sanduna masu layi daya, kuma a 1964 Amateur Athletic Union (AAU) National Gymnastics Competition shi ne zakara a cikin sanduna masu kwance. Ya yi gasa a wasanni takwas a wasannin Olympics na 1964.