2) Balian Buschbaum (Yvonne Buschbaum)
Balian Buschbaum was born in 1980 as Yvonne Buschbaum, and he is a former German pole vaulter. Though he was the second best female pole vaulter in Germany, in 2007 Buschbaum announced his retirement due to a persistent injury. He also expressed his desire to begin gender reassignment therapy. In 2008 he officially changed his name and underwent gender reassignment surgery to become a man.