Professor Manirakiza is also a Member of the Commission of Inquiry on South Sudan as well as a former Member of the African Commission on Human and Peoples Rights. In Burundi, he served as an Assistant Professor at University of Burundi as well as a Deputy Prosecutor in Ngozi and Rutana Provinces. Dr. Manirakiza also participated, as a legal adviser and negotiator, in Burundi peace negotiations held in Arusha (Tanzania) from 1998 to 2000.