American long distance runner who was a silver medalist in the 2004 Olympics and ranked fourth in the 2012 Summer Olympics.
His family were refugees who came from Eritrea to the United States.
He was the winner of the 2009 New York City Marathon, finishing with a time of 2:09:15. He also won the 2014 Boston Marathon with a time of 2:08:37.
He fathered a child with Yordanos Asgedom, whom he married in 2005.
He and Dathan Ritzenhein both became world-famous long distance runners.