Marizamunda takes over from Maj Gen Albert Murasira, who held the position since October 2018.
Prior to this new appointment, Marizamunda served as the Commissioner General of the Rwanda Correctional Services (RCS) from 2021, following his transfer from the Rwanda National Police (RNP) where he worked as the Deputy Inspector General in Charge of Operations.
Marizamunda had previously served as a soldier in RDF before being transferred to RNP in 2014. He held the rank of Lieutenant Colonel at the time.
Meanwhile, Lt Gen Muganga, the new CDS, previously served as the Army Chief of Staff (ACOS).
He replaces Gen Jean Bosco Kazura, who held the position since 2019.
Among others, Maj Gen Vincent Nyakarundi, former Head of Military Intelligence, has been appointed Army Chief of Staff while Colonel Francis Regis Gatarayiha, who previously served as his deputy, has been named Acting Head of Military Intelligence in the RDF.
Several other notable appointments include Maj Gen Alex Kagame, who has been named Joint Task Force Commander in Mozambique, replacing Maj Gen Eugene Nkubito, who has been assigned as the Commander of the 3rd Division operating in Rwanda’s Western Province.
Colonel Theodomir Bahizi has been appointed as the Battle Group Commander in Mozambique.
Lt Col Augustin Migabo has been promoted to Colonel and appointed as Deputy Commander of the Special Force Command.
Meanwhile, Brig Gen Evariste Murenzi appointed as the new Commissioner General of the RCS.
Another key change includes the appointment of Jean Bosco Ntibitura as the Director General of the Internal Security Service (NISS), a position previously held by the current Minister of Interior, Alfred Gasana.