His short film The Pardon, about reconciliation after the Rwandan genocide against Tutsi in 1994, won the Golden Impala award at the Amakula Film Festival in Uganda.

His father died during the Rwandan genocide against the Tutsis in 1994, after this event he took refuge in the Democratic Republic of the Congo (DRC) where he found one of his cousins.

[1] Karekezi made a feature version, Imbabazi: The Pardon, based on the same characters.

[3] In 2013 Karekezi was working on "Mercy of the Jungle", which was presented in the Fabrique des cinemas du Monde at the Cannes Film Festival in 2013.

[3] His other films include: Les jeunes à la poursuite du travail, 2009;Survivor, 2010; and Ntukazime Nararokotse, 2010.