 Junior and Senior National Teams.WOGA trained gymnasts have a long and established history of competing in and winning at the highest level of competition, with several former National Champions, World Champions, and Olympic Champions amongst their past and present students.The head coaches at WOGA are former USA Gymnastics women's national team coordinator Valeri Liukin, who was a Soviet medalist at the 1988 Olympic Games, and Yevgeny Marchenko who coached gold medalist Carly Patterson.