Björn SiegemundBjörn Siegemund is a male badminton player from Germany.He has two sons and a daughter.CareerSiegemund competed in badminton at the 2004 Summer Olympics in mixed doubles with partner Nicol Pitro. They defeated Travis Denney and Kate Wilson-Smith of Australia in the first round but lost to Nathan Robertson and Gail Emms of Great Britain in the round of 16.