Stefan Hessel

Attorney at law

Attorney at law
Co-Head Digital Business Unit

Master of Laws (Information Technology and Law)

Certified Data Protection Officer (TÜV®)

T > + 49 681 / 859 160 0
E >

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  • Advises and assists clients on complex issues in the field of data protection, cyber security and IT law
  • Acts as an external data protection officer
  • Acts as an expert in the field of cybersecurity and data protection law (e.g. as an expert witness before the Bundestag regarding the Act on Self-Driving Vehicles)
  • Expert in cybersecurity and data protection law
  • Technical and legal analysis of attacks on IT systems
  • Consultant and guest lecturer for questions at the intersection of IT security and law inter alia at Deutsche Universität für Verwaltungswissenschaften Speyer


  • Studied law at Saarland University
  • Worked as research employee e.g. at the CISPA Helmholtz Center for Information Security and Saarland University's Institute of Legal Informatics (Prof. Dr. Sorge)
  • Master of Laws (LL.M.) in "Information Technology and Law" at Saarland University
  • Currently: dissertation on legal questions in the field of IT and data protection law

Current projects (selection)

  • Provides data protection law support for the use of Microsoft 365 by companies and public agencies
  • Supports and implements data protection law requirements with respect to new business models
  • Develops legal capacities to deal with cyberattacks in companies (legal incident response)

Publications (selection)

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