[2] Following the 1994 Rwanda genocide, Nantanyi worked with the International Committee of the Red Cross, in the tracing department in Goma, Democratic Republic of the Congo and in Nairobi, Kenya.
[2] In 1997, she was appointed as a project officer in the Flemish Council for Refugees, based in Brussels, Belgium.
In October 2003, she was appointed state minister responsible for social affairs in the Rwanda Ministry of Local Government, serving in that capacity until September 2011.
[2] Nyatanyi died on 26 September 2011, at Saint-Luc University Hospital, in Brussels, Belgium, following long treatment.
Her body was flown back to Kigali, aboard Brussels Airlines on Saturday, 1 October 2011.