We specialise in advising medium-sized companies and corporate groups, including DAX 30 companies, on the implementation of data protection provisions.

Our team at DPA Drewes Privacy Advice includes experts with more than 15 years of experience in the areas of data protection and IT security. Moreover, Dr. Drewes and Mr. Runden are approved auditors for the areas of law and technology under the ADCERT privacy seal.

Our long-standing experience in advising companies in a wide variety of industries gives us the expertise to develop practice-oriented solutions for your enterprise – in connection with specific projects or as a long-term support.

Dr. Stefan Drewes

Managing Director

In addition to his work as a lawyer, Dr. Drewes founded the DPA to provide support to companies in the practical implementation of data protection provisions.

    Markus Giese

    Senior data protection expert

    Markus Giese has been working as a company data protection officer since 1999. Benefit from his extensive knowledge in the corporate implementation of data protection requirements!

      Gerd Büttner

      Gerd Büttner

      Senior data protection expert

      Gerd Büttner has more than 15 years of experience in data protection and in acting as external data protection officer. Moreover, he is a recognised CRM expert.


        Dr. Wolfgang Walchner

        Data protection officer (TÜV)

        Dr. Walchner is a lawyer and certified data protection officer (TÜV). He has more than 20 years of practical experience in advising enterprises in commercial law contexts and particularly focuses on legal advice regarding the implementation of the GDPR.

          Sebastian Wilfling

          Data protection officer (UDISzert)

          Sebastian Wilfling has been working as a lawyer since 2013 and is a certified data protection officer under (UDISzert – Academy of Ulm for Data Protection and IT Security).

            Björn Runden

            IT security expert

            Mr. Runden is our expert for all questions concerning IT security. You need to conduct an IT security audit? He’s the one to consult!