Tech lawyer, digital rights advocate, author and researcher.

Ot van Daalen combines legal expertise with technical understanding to navigate the complex intersection of technology, law and society.

Ot van Daalen

With over 20 years of experience, Ot works at the forefront of privacy, cybersecurity, resilience and AI law.

Current roles

  • Founder, Root Legal

    Expert legal counsel on technology and rights

    Root Legal provides expert advice and litigation on privacy, cybersecurity, resilience and AI. Founded by Ot van Daalen, the practice serves clients ranging from innovative startups to established enterprises navigating complex technological and regulatory landscapes.

  • Assistant Professor, University of Amsterdam

    Institute for Information Law (IViR)

    At one of Europe's leading research institutes for information law, Ot teaches and conducts research on the intersection of technology, law and human rights. His academic work focuses on the legal implications of emerging technologies including quantum computing and artificial intelligence. See his IViR profile for more.

  • Substitute Judge, District Court of The Hague

    Contributing to the Dutch judiciary

    As a substitute judge at the District Court of The Hague, Ot sits on cases where he can contribute with his expertise.

  • Author

    Books, journalism and public discourse

    Ot writes books and journalism on technology, law and society. His book Voorbereid (2025) became a bestseller, reaching #2 on the Dutch non-fiction charts. He is also a correspondent for De Correspondent, where he writes about digital resilience, privacy and the vulnerabilities of critical infrastructure, and publishes the newsletter Voorbereid on Substack. You can subscribe here to his newsletter.

  • Supervisory Council, Stichting Democratie en Media

    Supporting independent media and democracy

    As a member of the supervisory council, Ot oversees this foundation that supports independent journalism and democratic discourse in the Netherlands.

  • Previous roles

    Before this, Ot van Daalen represented clients in the high-tech and telecommunications sectors at top-tier law firm De Brauw Blackstone Westbroek, developed policies for our digital future as the director of digital rights movement Bits of Freedom, and investigated internet-related cases at the Autoriteit Persoonsgegevens (the Dutch Data Protection Authority). He studied at the University of Amsterdam and Columbia University.

Selected publications

Speaking & media

Ot is a sought-after speaker on topics including privacy, cybersecurity, AI law and digital resilience. For speaking engagements, he is represented by The Next Speaker.

For media inquiries, you can contact him at ot.vandaalen@rootlegal.net (+31 6 5438 6680).

For legal inquiries, please see his law firm Root Legal.