Hurdling athlete who won a bronze medal at the 2008 Olympics and a gold medal at the 2008 IAAF World Athletics Final.
He graduated from Denver East High School and Howard University.
He reached his personal best of 12.89 seconds in the 110m hurdles.
He is the son of Brenda Chambers, who was also a track and field athlete.
He competed in the 2008 Olympics along with swimming athlete Michael Phelps .