Timo Boll is a German former professional table tennis player. Boll is the most successful German table tennis player of all time, having won several medals at Olympic Games, world cups, and world championships. From Wikipedia
The 18-year-old prodigy has recovered from a foot sprain and is set to compete in singles, doubles, and mixed events in Doha, stepping into a leadership role as Timo Boll nears retirement.