He is known for his images of the post-election violence that affected Kenya in 2008. In 2005 he won his first photography awards and subsequently received international recognition as one of Africa’s most promising photographers. He was awarded the CNN Africa Photojournalist of the Year Award in 2008 and in 2010 Mwangi developed a strong stance on Human Rights in his work to fight impunity (political and corporate), speak out against bad and corrupt political leaders and promote a message of peace with initiatives called MaVulture and Team Courage ( Nairobi-based lobby of citizen movement to build a new Kenya)
