Media
I have received professional media training, and I was involved in uncovering the biggest scandal of 2018, which led me to work with hundreds of journalists over six months.
The most watched event in the UK Parliament's history.
My appearance (jointly with Christopher Wylie) in front of the UK Parliament's special committee investigating the Cambridge Analytica scandal was the most watched event in the UK Parliament's history.
I have been interviewed (sometimes live) by France Inter, the BBC, Le Monde, CNN, CNBC, the New York Times, the Financial Times, Paris Match, The Guardian, and many other media outlets.
Talks
Interviews and profiles
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Nos vies numériques, 5 octobre 2026
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Paul-Olivier Dehaye, le matheux ennemi de Facebook
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L'homme qui aimait « The Great Hack »
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L'abécédaire de Paul-Olivier Dehaye
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Cambridge Analytica : « C'est du hacking », selon le mathématicien belge Paul-Olivier Dehaye
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Scandale Cambridge Analytica : la solution passe-t-elle par l'Europe ?
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How a Swiss-based mathematician helped lift the lid on the Facebook data scandal
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« Si nous n'exploitons pas nous-mêmes nos données, d'autres le feront »
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De citoyen activiste à entrepreneur digital
Elsewhere
More coverage on my IMDb profile, hestia.ai's media page and personaldata.io's media page.