GOVERNING POSITIONS
- Advisory Committee Kerk@cetera (2022) (est. 2021)
- Chair of the Advisory Committee of the Netherlands United Nations Association (UNANL/NVVN) (2019) Dutch United Nations Association (UNA/NVVN) (est. 1987)
- Member of the CISV Alumni Association Advisory Committee (2019-2021) CISV International (est. 1950)
- Secretary General EuroDéfense The Netherlands (2018-2021) EuroDefense (est. 1994)
- Board of the Netherlands Friendship Association Neve Shalom / Wahat al-Salam (Jewish / Arab Peace Initiative) (2018) Neve Shalom / Wāħat as-Salām (NSWAS) (est. 1969)
- Advisory Committee Stichting Veteranen Brabant Zuid Oost (Veteran Organisation) (2017-2023) Stichting Veteranen Hart van Brabant (SVHvB) (est. 2006)
- Board Member of the International Table (Diplomats Table) of ‘Nieuwe of Littéraire Sociëteit de Witte’ (2017) Nieuwe of Littéraire Sociëteit de Witte (est. 1782)
- Advisory Committee Stichting Veteranen Hart van Brabant (Veteran Organisation) (2016-2023) Stichting Veteranen Hart van Brabant (SVHvB) (est. 2014)
- Executive Committee Remonstrant Brotherhood (Commissie tot de Zaken) (2016-2017) Remonstrantse Broederschap (est. 1614)
- Board of Recommendation United Netherlands – Radboud University Nijmegen (2014) United Netherlands (est. 2004)
- Board of Recommendation ‘Building Bridges’ (UN ‘He for She Campaign’) (2014) Building Bridges 4 Youth
- Board of Recommendation Eindhoven Peace Centre Foundation (2013) Stichting Vredesbureau Eindhoven (est. 1990)
- Advisory Committee Wounded Warriors The Netherlands (Veteran Organization) (2013-2020) Wounded Warriors Netherlands (WWNL) (est. 2003)
- Advisor to the Board of PortAgora – Centre for European Co-operation (2013-2018) Portagora Centrum Europese Samenwerking (est. 1991)
- Board Member Netherlands Society for International Affairs (NGIZ-Zuid) (2011) Nederlands Genootschap Internationale Zaken (NGIZ) (est. 1945)
- Committee of Recommendation United Nations Student Association Groningen (SIB) (2011) SIB-Groningen (est. 1947)
- Board Member PAX (Stichting IKV, Interchurch Peace Council) (2009-2018) PAX (est. 2007) *) Nobel Peace Prize Laureate as part of ICAN – the International Campaign to Abolish Nuclear Weapons, 06 October 2017
- Advisory Committee Foundation for Peace Sciences (SVW) (2005-2018) Stichting Vredeswetenschappen (est. 2004)
- Board Member Dutch United Nations Association (UNANL/NVVN) (2004-2017) Dutch United Nations Association (UNA/NVVN) (est. 1987)
- Board of Recommendation ‘Break down the Wall’ (Israel & Occupied Palestinian Territories Peace Initiative) (2009-2015) Burgerinitiatief Sloop de Muur (est. 2004)
- Expanded Executive Committee CISV International (2005-2009) CISV International (est. 1950) *) Awarded European Citizen’s Prize by the European Parliament, 16 October 2013
- Trustee CISV The Netherlands (2002-2005) CISV International (est. 1950)
- General Board Member CISV The Netherlands (1998-2002) CISV International (est. 1950)
MEMBERSHIP OF PROFESSIONAL BODIES
- Black Sea Women in Nuclear Network (BSWN) (2023)
- The Netherlands Peacekeeping Network (at VU Amsterdam) (2020) Netherlands Peacekeeping Network (est. 2020)
- FINABEL – European Interoperability Centre. European Army Innovation Platform (2020) FINABEL – European Army Interoperability Centre (est. 1953)
- Royal Netherlands Association of Naval Officers (KVMO) (2019) Koninklijke Vereniging van Marineofficieren (KVNMO) (est. 1883)
- Royal Netherlands Association of Military Reservist Officers (KVNRO) (2019) Koninklijke Vereniging voor reserve Officieren (KVNRO) (est. 1917)
- Dutch Business Round Table (DBRT) – Geneva (2019) Dutch Business Round Table Geneva (DBRT) (est. 1995)
- NATO Centre of Excellence on Civil-Military Co-operation Community of Interest (2018) Civil-Military Cooperation Centre of Excellence (CCOE) (est. 2001)
- Vrienden van Cobbenhagen (Tilburg University Exclusive Alumni Association) (2017) Tilburg University (est. 1927)
- Convention of Christian Approaches to Defence and Disarmament (CCADD) (2016) Convention of Christian Approaches to Defence and Disarmament (CCADD) (est. 1942)
- Common Effort Community (2015) Common Effort (est. 2015)
- Foundation Netherlands Atlantic Commission (AC) (2015) Stichting Atlantische Commissie (est. 1952)
- International Association for Religious Freedom (IARF) (2014) International Association for Religious Freedom (IARF) (est. 1900(
- ‘Nieuwe of Littéraire Sociëteit De Witte’ – International Table (2014) Nieuwe of Littéraire Sociëteit de Witte (est. 1782)
- International Institute for Strategic Studies (IISS) (2013) International Institute for Strategic Studies (IISS) (est. 1958)
- EuroDéfense (2013) EuroDefense (est. 1994)
- Knowledge Platform Security and Rule of Law (2012) Knowledge Platform Security and Rule of Law (KPSRL) (est. 2012)
- European Movement The Netherlands (EBN) (2012) Europese Beweging Nederland (1947)
- D66 – The Alliance of Liberals and Democrats for Europe (ALDE Party/RENEW Europe) (2009) D66 (est. 1966)
- Member Netherlands Society for International Affairs (NGIZ) (2008) Nederland Genootschap voor Internationale Zaken (NGIZ) (est. 1947)
- Society for International Development (SID) (2007-2019) Society for International Development (SID) (est. 1957)
- Society for Intercultural Education, Training and Research (SIETAR) (2006-2012) Society for Intercultural Education, Training and Research (SIETAR) (est. 1974)
- Amnesty International The Netherlands (2005-2019) Amnesty International (est. 1961)
- International Crisis Response Network (ICRN) (2004-2015) international Crisis Response Network (ICRN)
- Member Dutch United Nations Association (UNANL/NVVN) (2004) Dutch United Nations Association (UNA/NVVN) (est. 1987)
- Vereniging Afgestudeerde Psychologen Tilburg – V.A.P.T. (Tilburg University Psychologists’ Alumni Association) (2001) Vereniging Afgestudeerde Psychologen Tilburg (VAPT) (est. 1986)
- Psychological Association The Netherlands (NIP) (2001) Nederlands Instituut van Psychologen (NIP) (est. 1938)