• Speaker at the international conference “Preventing and countering radicalization and violent extremism, and engaging private sector and civil society actors”, United Nation Office on Drugs and Crime, Tokyo, 13-16 February 2017.
  • Speaker at the “Conference for Parliamentarians on the Challenges Posed by Extremism Leading to Terrorism and Preventative Criminal Justice Responses”, organized by United Nation Office on Drugs and Crime, The Egyptian Parliament and The Interparliamentary Union, Aswa (Egypte), 31 January-2 February 2017
  • Speaker to the conference / workshop for Iraq, Jordan and Yemen on “The management of  violent extremist prisoners and the prevention of radicalization to violence”, United Nations Office on Drugs and Crime / Terrorism Prevention Programme Officer,Dead Sea, Jordan (8-11 November 2016.
  • Speaker to the 21th Conference of Directors of Prison and Probation Services on “The role of the community in preventing religious radicalization in prisons”. Organized by the Council of Europe, Zaandam, 14-15 June 2016.
  • Speaking to and participating at the International Expert Meeting on ‘Preventing Extremism and Radicalism’, United Nation Office on Drugs and Crime, Vienna, Austria. 1-4 June 2016.
  • Participating at the European Commision Conference on “Counter-terrorism and de-radicalisation: training needs of justice practioners”: 19-20 May 2016, Brussel.
  • Speaker on and participating at “The 1st International Congress on Spiritual Counselling and Care”, Marmara University, Istanbul, April 7-10, 2016.
  • Hoofdspreker landelijke studiedag van docenten religie en levensbeschouwing. Over: ‘De clash en community in de klas’. Hoe religie en moderniteit kunnen botsen en hoe ze ook zouden kunnen samengaan. Utrecht, 10 maart 2016.