- 15-16 December 2022: Panelist at the public roundtable of the Liquid Democracy Workshop organized by Democracy Net. University of Zurich.
- May 2022 – now: Member of de Advisory Board of the DeSci Foundation
- May 2022 – now: Science & Technology Board, Mohi
- March 2022: Guest at BNR Cryptocast on PoS vs. PoW (in Dutch).
- August 2021: Interview for the online magazine Tweakers (in Dutch) over the proof-of-work to proof-of-stake transition in Ethereum.
- July 2021: Interview on liquid democracy for the video Liquid Democracy—A Transatlantic Affair by Andreas Nitsche of the Association for Interactive Democracy
- May 2021: Interview for the Ukrant magazine of the University of Groningen on algorithmic decision-making
- February 2021: Video of the Human(e) AI project Collective Decisions in Law and Economics: A Computational Perspective
- 22 June 2020: Hoe kunnen robots tellen? (How can robots count?) Lecture for primary school children (Borgman School, Groningen)
- 25 April 2020: Public lecture at Democratie van de Toekomst (Democracy of the Future), Flemish Parliament (canceled)
- 30 January 2020: Public lecture at Delft Blockchain Symposium 2020, Delft University. I have been interviewed for the symposium aftermovie
- 22 January 2020: Public lecture on “Democratic Algorithms” (in Dutch). Groninger Forum, Mens & Machine lecture series In the context of the AI: More than Human exhibition
- Interview: “Better Democracy with the help of AI” (in Dutch), I/O Magazine, December 2018 (p. 20-21)
- February 2014. Panelist at the Westminster Education Forum. Preparing for the new Computing Curriculum, London