Laureates 2007 Honorary Nelson Rolihlahla Mandela Full bio 2007 Joaquim Alberto Chissano Full bio 2008 Festus Gontebanye Mogae Full bio 2011 Pedro De Verona Rodrigues Pires Full bio 2014 Hifikepunye Pohamba Full bio 2017 Ellen Johnson Sirleaf Full bio 2020 Mahamadou Issoufou Full bio