• Last updated: 28 Aug. 2014 16:35

Principal officials

The work of the North Atlantic Council and its committees is supported by an International Staff. It comprises the Office of the Secretary General, six Divisions, the Office of Resources and the Office of Security. Each Division is headed by an Assistant Secretary General (Principal Officials).

Kasper Høeg-Jensen

Director - Private Office of the Secretary General

Ambassador Kasper Høeg-Jensen is the Director of the Private Office of the NATO Secretary General. more >>

Thrasyvoulos Terry Stamatopoulos

Assistant Secretary General for Political Affairs and Security Policy

Ambassador Thrasyvoulos Terry Stamatopoulos is NATO's Assistant Secretary General for Political Affairs and Security Policy. He is responsible for advising the Secretary General on political issues affecting the security of the Alliance, including NATO's partnership relations and its interaction with other international organisations; chairing the meetings of Senior Political Advisers of the Allied Delegations at NATO Headquarters; and directing the Political Affairs and Security Policy Division of the NATO International Staff. more >>

Sorin Ducaru

Assistant Secretary General for Emerging Security Challenges

Ambassador Sorin Ducaru took over the post of Assistant Secretary General for Emerging Security Challenges in September 2013. He is responsible for providing support for the North-Atlantic Council and for advising Secretary General on the evolutions of emerging security challenges and their potential impact on NATO's security. more >>

Patrick Auroy

Assistant Secretary General for Defence Investment

Lieutenant General (Armaments) Patrick Auroy was born on 30 April 1955 in Orléans (France). In October 2009 he took up the post of Deputy Director General of the DGA (Direction Générale de l'Armement), the armaments branch of the French MoD, which he served in the course of his successive professional duties. more >>

Heinrich Brauss

Assistant Secretary General for Defence Policy and Planning

Heinrich Brauss was appointed Assistant Secretary General for Defence Policy and Planning on 4 October 2013, having joined the International Staff of the North Atlantic Treaty Organisation (NATO) in September 2007 as Deputy Assistant Secretary General for Policy and Planning. more >>

Wayne J. Bush

Assistant Secretary General for Executive Management

Ambassador Wayne J. Bush has been selected by the Secretary General to be the new Assistant Secretary General of the North Atlantic Treaty Organization (NATO) for Executive Management. more >>

Kolinda Grabar-Kitarovic

Assistant Secretary General for Public Diplomacy

Ambassador Kolinda Grabar-Kitarović took up her position as NATO's Assistant Secretary General for Public Diplomacy on 4 July 2011. Having previously served as Croatia's Minister of Foreign Affairs and European Integration and, more recently, as Ambassador of Croatia to the United States (2008 – 2011), Ambassador Grabar-Kitarović is well-versed in Euro-Atlantic diplomacy and security issues. more >>

Stephen Evans

Assistant Secretary General for Operations

Ambassador Stephen Evans took up the post of Assistant Secretary General for Operations in August 2011 on secondment from the United Kingdom Diplomatic Service. He supports the North Atlantic Council and the Secretary General of NATO in the political direction and management of NATO's operational activities. more >>

Wayne J. Bush

Director - NATO Office of Resources

The Director of the NATO Office of Resources is responsible to the Secretary General for the leadership and direction of all NATO International Staff working on military resource issues. He ensures the delivery of integrated policy and technical advice and support to NATO resource committees. more >>

Todd J. Brown

Director - NATO Office of Security

Todd J. Brown is the Director of the NATO Office of Security. He is the principal security advisor to the NATO Secretary General and the North Atlantic Council and has the overall responsibility for the effective development of security policy and programmes and their implementation at all NATO civil and military bodies and NATO-wide. He deals with all aspects of protective security, counter-intelligence, intelligence assessment and counter-terrorism in international fora. more >>

Stéphane Chagnot

Financial Controller

Stéphane Chagnot is the Financial Controller of the NATO International Staff. He is personally responsible for the correct use of international appropriated and non-appropriated funds made available to the Organisation, in particular for the NATO Civil Budget, the New NATO Headquarters Project, the Pension systems and a number of Trust Funds. The International Staff Office of Financial Control is an independent office in charge of accounting, budget control, treasury, procurement and internal audit functions for NATO Headquarters. more >>

Oana Lungescu

NATO Spokesperson

Oana Lungescu is the NATO Spokesperson. more >>

Steven Hill

Legal Adviser

Steven Hill is the Legal Adviser to the Secretary General and the international staff of the North Atlantic Treaty Organization, and the senior lawyer in NATO. He is responsible for all legal aspects of NATO headquarters' institutional, internal and external relationships and operations. more >>