About Liu Guoliang
Liu Guoliang (simplified Chinese: 刘国梁; traditional Chinese: 劉國梁; pinyin: Liú Guóliáng; born January 10, 1976) is a retired Chinese table tennis player. He is the first Chinese male player to achieve a career grand slam of three majors (Olympic Games, World Cup, World Championships). He is considered by many to be one of the greatest players and coaches of all time. He has also played with Kong Linghui in doubles. At the 2012 Summer Olympics the team won gold and Zhang Jike and Wang Hao won gold and silver medals respectively in the men's singles. At the 2016 Summer Olympics the team again won gold and Ma Long and Zhang Jike won the gold and silver medals in the men's singles. The Chinese team has also won every men's singles teams championships in the World Table Tennis Championships since Liu became head coach; a period spanning from 2001 to 2018.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.