PERSONAL DATA

Name	Tom Köller
Position	Deputy Secretary-General of the Benelux Union
Nationality	Luxembourgish
Secretariat	secr.coll@benelux.int

PROFILE

Mr Tom Köller is a Luxembourg career diplomat with extensive experience in defence policy, international security and multilateral relations. He is currently Deputy Secretary-General of the Benelux Union and previously served as Director of Defence at the Ministry of Foreign and European Affairs of Luxembourg. He has recognized expertise in bilateral, regional and multilateral relations, policy advice and representation before international institutions.

PROFESSIONAL EXPERIENCE

Sinds January 2026: Deputy Secretary-General of the Benelux Union

2023 – 2025: Counsellor at the Permanent Representation of Luxembourg to NATO

2019 – 2023: Director of Defence at the Ministry of Foreign and European Affairs

2010 – 2019: Political Adviser at the European Parliament for the Greens Group (Greens/EFA)

2004 – 2010: Adviser at the Permanent Representation of Luxembourg to the EU

2001 – 2004: Officer responsible for CIS, NATO, ESDP and Disarmament at the Ministry of Foreign and European Affairs of Luxembourg

1999 – 2001: Auditor at the European Court of Auditors

1997 – 1999: Administrator at the Luxembourg Youth for Europe Agency

1996 – 1997: Adviser at the Ministry of Youth in Luxembourg

EDUCATION

1989 – 1995: Political Science, Economics and History, University of Konstanz

1992 – 1993: Political Studies, Institut d’Études Politiques (Sciences Po) Aix-en-Provence

LANGUAGES

Luxembourgish, French, German, English and passive Dutch.