Welcome to the United Nations


Ms. Ilene Cohn, Acting Director of UNMAS 

Ms. Ilene Cohn is the Acting Director of UNMAS in the Department of Peace Operations. In her 25 years of service with the United Nations, Ms. Cohn has served at Headquarters in the Department of Peace Operations and the Office of the SRSG for Children and Armed Conflict and in seven peace operations in Africa and Latin America. She served previously with UNMAS from 2003-2007.


Ms. Abigail Hartley, Chief of Policy, Advocacy, Donor Relations and Outreach (PADROS) 

Abigail Hartley was appointed Chief of the Policy, Advocacy and Public Information Section of UNMAS in May 2014. In mid-2020 Resource Mobilization was incorporated into the Section. Under Ms. Hartley’s supervision, the Section focuses on leadership of the Inter-Agency Coordination Group on Mine Action and the United Nations Coordinating Task Force on a UN whole-of-system approach to Improvised Explosive Devices, development of mine action policy, monitoring of the United Nations Mine Action Strategy 2019 - 2023, and advocacy in support of mine-related international legal instruments. The Section is also responsible for coordinating UNMAS resource mobilization efforts, as well as UNMAS communication and outreach.  

Ms. Hartley has over 20 years of progressively responsible experience in the mine action and humanitarian sectors at both headquarters and field level. She spent almost 6 years working in Afghanistan, a country significantly impacted by landmines and other explosive remnants of war and the oldest and largest mine action programme in the world.  Ms. Hartley joined the UNMAS programme as a Senior Programme Officer and thereafter held posts of Chief of Staff and Programme Manager overseeing policy, political, legal, humanitarian, social and economic aspects of the programme. Prior to this, Ms. Hartley worked for many years with the mine clearance organization Mines Advisory Group (MAG) all over the world but  primarily in South Sudan, Sri Lanka and Sudan. In 2019 Ms. Hartley served temporarily as the Deputy Head of Office for the UN Office for the Coordination of Humanitarian Affairs in Somalia before returning to UNMAS in 2020.

Ms. Hartley is a graduate of the Universities of Newcastle-upon-Tyne and Bradford and holds a Master’s degree in International Politics and Security Studies. 


Mr. Bruno Donat, Chief, Geneva office

With more than 20 years in international affairs, Mr. Bruno Donat is currently – and for a second time - the Chief of the Geneva office of the United Nations Mine Action Service (UNMAS) within the Office of Rule of Law and Security Institutions (OROLSI) at the Department of Peace Operations (DPO).

Just before this posting, Mr. Donat was the Chief of the Section of the United Nations Organization Stabilization Mission in the Democratic Republic of the Congo (MONUSCO) working on Disarmament, Demobilization and Reintegration (DDR) – of armed groups - and Community Violence Reduction. And prior, he was the Team Leader for Political Affairs at the United Nations Mission for West Africa and the Sahel (UNOWAS) covering some 16 countries of the region. Earlier postings include Headquarters and country-level ones for both the United Nations and the World Bank, the last years of which at the Fragile States, Conflict, and Social Development unit of the World Bank’s Africa Region.

He received training in Conflict Resolution and Applied International Studies from the Caux Scholars Program in Switzerland and also studied International Relations at the Institut d'Etudes Politiques of Strasbourg, France. He was exposed as well to a military education through his participation as a cadet officer in the US Army R.O.T.C. He graduated Phi Beta Kappa with a B.A. summa cum laude in Theology and a M.A. in Political Science from Boston College, USA.


Mr. Stephen Pritchard, Chief, Programmes, Planning and Management

Mr. Stephen Pritchard serves as the Chief of Programmes, Planning and Management section. He leads support to global field programmes as well as programmatic partnerships at the HQ level. Stephen rejoined UNMAS in January 2021. He recently was Director of Programmes for the UK peacebuilding NGO, International Alert; and was international sanctions focal point for the multinational financial  firm, Refinitiv (formerly part of Thomson Reuters). Prior, Stephen worked in mine action for NGOs, commercial partners and the UN between 2004 and 2017, including as adviser to national institutions in the Laos, Uganda and South Sudan.

Stephen is an outdoor enthusiast, a pianist and guitarist, has zero sporting ability or interest whatsoever, and resides with his family in Northern Virginia, USA. A former officer of the British Army, Stephen commissioned from the Royal Military Academy Sandhurst (2000). He holds Masters’ degrees in International Policy and Practise (2014) from the Johns Hopkins University School of Advanced International Studies (SAIS); and Aerospace Engineering (1999) from the University of Manchester in the UK.