Valentine Rugwabiza

Special Representative of the Secretary-General and Head of Mission

Ms. Valentine Rugwabiza of Rwanda was appointed Special Representative of the Secretary-General for the Central African Republic (CAR) and Head of the United Nations Multidimensional Integrated Stabilization Mission in the Central African Republic (MINUSCA) on 23 February 2022 by UN Secretary-General, António Guterres.

With more than 30 years of experience in Africa development and security issues in both the public and corporate sectors, Ms. Rugwabiza has been a Cabinet member, a senior diplomat accredited to several countries and organizations, and a senior leader in national, regional and multilateral entities. 

Since 2016, Ms. Rugwabiza has been her country’s Permanent Representative to the United Nations and non-resident Ambassador to Colombia and Jamaica.  Between 2014 and 2016, she served as Minister for East African Community Affairs and Member of the East African Legislative Assembly.  From 2013 to 2014, she was Chief Executive Officer of the Rwanda Development Board and a Member of Cabinet. 

From 2005 until 2013, Ms. Rugwabiza served as the Deputy Director-General of the World Trade Organization (WTO) in Geneva.  Before that, she was Rwanda’s Permanent Representative to the United Nations Office at Geneva and United Nations specialized agencies, as well as Ambassador to Switzerland, from 2002 to 2005. 

Ms. Rugwabiza speaks English, French, Kiswahili and Kinyarwanda.

Joanne Adamson

Deputy Special Representative of the Secretary-General

Ms. Joanne Adamson of the United Kingdom was appointed Deputy Special Representative of the Secretary-General for the United Nations Multidimensional Integrated Stabilization Mission in the Central African Republic (MINUSCA) on 01 July 2023 by UN Secretary-General, António Guterres.

Ms. Adamson brings to the position over 30 years of experience in international peace and security and diplomacy, political analysis, multilateral negotiations and conflict resolution with the United Nations, the European Union and in the course of her diplomatic service with the United Kingdom. From 2018 to 2021, Ms. Adamson served as Deputy Special Representative for the United Nations Multidimensional Integrated Stabilization Mission in Mali (MINUSMA). 

Prior to this, she was the Deputy Head of the European Union delegation to the United Nations from 2016 to 2018, and the United Kingdom Ambassador to Mali and Niger.  She has also previously served with United Nations Peacekeeping, including at New York Headquarters and with the United Nations Interim Administration Mission in Kosovo (UNMIK), as well as with the United Nations Relief and Works Agency for Palestine Refugees in the Near East (UNRWA).

Ms. Adamson holds a Master’s degree in Public Administration from Harvard University, USA, and a Bachelor of Arts in French language and literature from the University of Cambridge, UK.  She is fluent in Arabic, English and French.


Mohamed Ag Ayoya

Deputy Special Representative and Resident Coordinator

United Nations Secretary-General, António Guterres, announced on 21 November 2022 the appointment of Mr. Mohamed Ag Ayoya of Mali as the new Deputy Special Representative for the United Nations Multidimensional Integrated Stabilization Mission in the Central African Republic (MINUSCA) and Resident Coordinator for the Central African Republic where he will also serve as Humanitarian Coordinator.  

Mr. Ayoya brings over two decades of professional experience and extensive knowledge of humanitarian affairs, with a particular focus on complex emergencies and child protection issues in field settings.  

Prior to his present position, Mr. Ayoya served in Afghanistan as the Representative of the United Nations Children’s Fund (UNICEF). He has also served as UNICEF Representative in Somalia and South Sudan between 2019 and 2022, where he worked closely with United Nations peace operations, as well as in Guinea (2013-2016) and Zimbabwe (2016-2019). He played a critical role in leading UNICEF’s response to the Ebola outbreak in Guinea; in child survival and development programmes in Haiti, India, Sierra Leone, Mali, Niger, Chad, Mauritania; in developing child survival strategies and capacity-building interventions using the human rights approach in West and Central Africa region and in managing complex and protracted emergencies, including COVID-19, in South Sudan and Somalia.  

Mr. Ayoya holds a medical degree from the School of Medicine and Pharmacy in Mali and a PhD in nutritional sciences from Cornell University in the United States.  

Mr. Ayoya is fluent in English, French, Tamasheq, Bamanan and Songhai. 

Lieutenant General Humphrey Nyone

Force Commander

Cavalry officer who joined the Zambian army in 1994, Lieutenant General Humphrey Nyone was appointed MINUSCA Force Commander by the UN Secretary-General on 15 May 2023.

A distinguished General with over 29 years' experience in the Zambian Armed Forces, he has risen through the ranks at both operational and strategic unit level. Prior to his appointment, he was Commander of the Staff College, where he was responsible for the pedagogical supervision and imparting of knowledge to trainee officers in military strategy, as well as directing the development of the College's strategic plans and budgets. As Commander of the Staff College of the Zambian Armed Forces, Lieutenant General H. Nyone was instrumental in planning a number of military exercises, such as "Southern Accords", in collaboration with the United States Africa Command (US AFRICOM).

He was also successively Commander of the 1st Infantry Division, Director General of Policy, Doctrine and Strategy of the Army HQ, Commander of the 6th Armored Brigade, Commander of the 64th Armored Regiment and Commander of the Armored School.

Lieutenant General H. Nyone also has experience of peacekeeping operations. He was a Military Observer, then DDRR Officer within MONUC in the Democratic Republic of Congo from 2006 to 2007, and Chief of Operations for the first Zambian Battalion of UNAMSIL in Sierra Leone from 2001 to 2002.

Lieutenant General H. Nyone holds a master’s degree in business administration and a Master's degree in Defense and Security Studies from the University of Lusaka, Zambia. He is a doctoral candidate in Peace and Conflict Studies at the University of Lusaka. He is also a graduate of the War College of the U.S. Army Command and Staff College at Fort Leavenworth, Kansas, and of the Staff College of the Zambian Armed Forces.


Awarded a dozen national and international medals, he is married with five children.

Christophe Bizimungu 

Head of the Police Component (UNPOL) 

The new head of the police component has a rich career of almost 30 years in the fields of reconstruction, building and guiding Rwandan state structures, and designing strategic policies and plans.

Police Commissioner Christophe Bizimungu started his professional career in January 1992 as a soldier. In 1994, he became a gendarme, following a common basic training at the National Gendarmerie School, then at the National Police Academy in Musanze, Rwanda.

In his country, Commissioner of Police Christophe Bizimungu has, in turn, held the positions of Chief of the Judicial Police, Prosecutor of the Military Courts, Regional Police Commander and Commissioner of the Criminal Investigation Department, Commander of the National Police School of Rwanda, and member of the Board of Directors of the Rwandan National Police. He participated in the design of the training policy and guidelines and contributed to the development and implementation of the security sector reform, which led to the creation of the Rwanda National Police in 2000. He has coordinated a dozen operations with Interpol.

With a Ph.D. in Criminal Law obtained in 2018, Commissioner Bizimungu has worked extensively in the justice sector of his country, including the reform and creation of the new military justice system. Among the projects under his responsibility are the general restoration of the law enforcement institution; the creation of a training and aptitude framework for police officers to manage the post-conflict situation. Later, he contributed to the national reform of the judicial sector, first as a lawyer and then as coordinator of the capacity-building policy in the National Gendarmerie and the Army.

Police Commissioner Christophe Bizimungu has obtained several certificates, notably from the International Peace Support Training Center in Nairobi, Kenya, and the International Institute of Humanitarian Law in San Remo, Italy. He has received other certifications in Rwanda including the United Naval Justice School detachment of international training, the National police academy in Musanze, the International Institute of Humanitarian Law, and the United States Defense institute of international legal studies. From October 2007 to September

2008, he completed a Master's degree in International Criminal Law at the University of Sussex, England. From 1994 to 1995, he was a Liaison Officer between the United Nations Assistance Mission to Rwanda (UNAMIR) and the Patriotic Army of Rwanda during the conflict and post-conflict periods.

The Police Commissioner has received several decorations, including that of exemplary police performance, a distinction awarded to only a dozen police officers since the creation of the Rwandan police.

Born in 1965, Police Commissioner Christophe Bizimungu is married and has four children.