Attorney at law, specializing in data protection law

Markus Giese has been advising companies on data protection law and acting as an external data protection officer for over 20 years. He mainly advises large non-profit organizations on the design of their data processing procedures. One of his consulting focuses is on the promotional use of data and address trading. He has been cooperating with Dr. Drewes since 2014 and, in addition to his work as an attorney for DPL Drewes Privacy Law Rechtsanwaltsgesellschaft mbH, is still active in his own law firm.


  • Since 2021 additionally attorney at law at DPL Drewes Privacy Law Rechtsanwaltsgesellschaft mbH
  • Since 2014 cooperation with Drewes Privacy Advice GmbH in the field of data protection consulting
  • Since 1998 consulting activities in data protection law and function as external data protection officer for companies
  • Specialization in banking and securities law, online brokerage, with litigation for banking institutions
  • 1995 Admitted to the bar and since then working in his own office in Bonn
  • Legal clerkship at the Higher Regional Court of Cologne and station in the legal department of the former Hoechst AG in Frankfurt/Main
  • Law studies at the University of Bonn

Main activities

  • Data protection law advice to large non-profit organizations & foundations in the fields of environment, human and children’s rights as well as to companies
  • Legal defense in the event of data protection violations


  • Nonprofit Organizations & Foundations
  • Dialogue marketing
  • Energy supplier
  • Financial Services
  • Textile / Clothing

Awards & Memberships

  • Speaker at the German Fundraising Congress
  • Lecturer for the Fundraising Academy
  • Representation of a company in the Data Protection Working Group of the German Dialog Marketing Association (DDV)
  • Member of the Society for Data Protection and Data Security (GDD)
  • Member of the German Bar Association (DAV)


Attorney at law, specializing in data protection law

Hier finden Sie die Kontaktdaten von Markus Giese!