| “Cyber Warfare Dossier: Rusland” at Infosecurity Beurs, Utrecht | 2018 |
| Cyber Defence, Capacity and Security Culture building at NATO, Serbia | 2018 |
| DCWC Roundtable XVI | 2018 |
| Talkshow “The Future CISO” at Heliview Cyber Security Congress | 2018 |
| DCWC Roundtable XV at Hogeschool van Utrecht | 2017 |
| The European Information Security Summit (TEISS) 2017 – Panel debate on challenges in Compliance | 2017 |
| CISO Executive Roundtable – “Cybersecurity as a boardroom issue” | 2016 |
| SC Congress Amsterdam – Expert panel on Cyber Warfare | 2016 |
| SmartAIM – Keynote on current global cyber security developments | 2016 |
| Mediaplaza Jaarbeurs – Keynote session on ‘Meldingplicht Datalekken’ | 2016 |
| Hack in Paris – Debate: The Right to Self Defense in Cyberspace A full video can be found on YouTube |
2015 |
| Altran #DEVDATE with Brenno de Winter and Don Eijndhoven | 2015 |
| WML Tilburg – Keynote on Cyber Security in Critical Infrastructure | 2015 |
| D66 Congress Panel debate on Cyber Security | 2015 |
| DCWC B-Sides @ GCCS 2015 | 2015 |
| D66 ThinkTank on Cyber Security | 2015 |
| ICTDagRijk 2015 | 2015 |
| On Cyber Resilience and Strategy – Nyenrode Business University | 2015 |
| HeliView #CYBER14 Conference – Information Security Post-Snowden | 2014 |
| RTL Masterclass Cyber Security, Nyenrode Business University | 2013 |
| MBIS Business & Security | 2013 |
| NATO CCDCOE Cyber Conflict Conference Tallinn, Estonia | 2012 |
| HackerHalted Miami | 2010 |
| This is an incomplete list. For more information, please inquire. | |
Public speaker on Cyber Security matters
