William Beier is a Filipino born German former competitive ice dancer. He competed with his sister, Christina Beier. They are four-time German national champions, and represented Germany in the 2010 Winter Olympics.

Christina Beier is a Filipino born German former competitive ice dancer. She competed with her brother William Beier. She briefly stopped competing with her brother and competed with partner Tim Giesen for one season. Beier & Beier are four-time German national champions.