Complex sentence: Bryan Ezra Tsumoru Clay (born January 3,1980) is an American decathlete--the 2008 Olympic gold medalist and 2004 Olympic silver medalist.
Split into simpler sentences: Bryan Ezra Tsumoru Clay (born January 3,1980) is an American decathlete. He is the 2008 Olympic gold medalist and 2004 Olympic silver medalist.