From 10 April 2010 until 18 October 2018, he was the Rwandan Minister of Defence. He served as a Rwandan Patriotic Army Commander and was an Alliance of Democratic Forces for the Liberation of Congo strategist. In his role of Minister of Defence he was accused of being the de facto leader of the March 23 Movement, a militia in the eastern Democratic Republic of Congo also accused of numerous atrocities against civilians during the Kivu conflict.