He started working as a photographer for The Daily Nation, a Kenyan newspaper in Nairobi, while he was a master student of the photojournalism department in the School of Journalism, University of Missouri. In 1998, he documented the US Embassy bombing in Nairobi. After internships in Magnum Photos and The New York Times both in New York, he moved to Abidjan, Ivory Coast, and started freelancing to cover the West Africa. Later, he moved to Tokyo. Since 2004, when he moved to Barcelona, he has been focusing on various photographic documentary projects all over the world. His works have been published mostly in American and European publications such as Newsweek, the New York Times, Der Spiegel, Time Magazine, Los Angels Times, Washington Post, International Herald Tribune, Daily Telegraph, The Independent, Courrier International, and so on. In 2007 he won an award of excellence from POYi and in 2009 he won the 10th Ueno Hikoma Award in Japan.