Liu Guoliang, a retired Chinese table tennis player who has won all titles at major world tournaments including World Championships, World Cup and Olympic Games who was appointed as the head coach of the China's National Men's Team at the age of 27, is the most successful coach in history with a team gold medal at the 2008 Summer Olympics.
Liu Guoliang, a retired Chinese table tennis player who has won all titles at major world tournaments including World Championships, World Cup and Olympic Games who was appointed as the head coach of the China's National Men's Team at the age of 27, is the most successful coach in history with a team gold medal at the 2008 Summer Olympics.