German Gymnast who won two silver medals in the 2012 London Olympics for all-around and parallel bars and has won gold medals at the European Championships in parallel bars and team competition.
He began gymnastics at the age of four.
He won bronze in the 2007 World Championships in team all-around.
His father is named Van Lac and is Vietnamese, and his mother is German.
Figure skater Katarina Witt is also a German Olympian.