Dr. Dirk Lammer
- Law studies in Heidelberg and Bonn
- 1988–1993 Research Assistant at the Chair of Criminal Law and Criminal Procedure Law held by Prof. Dr. Jürgen Wolter in Regensburg
- 1992: Awarded the degree of Doctor of Laws (Dr. jur.) with a dissertation in the fields of criminal procedural law and fundamental rights doctrine.
- 1993 assessor exam in Regensburg
- Lawyer in Berlin since 1993; certified specialist in criminal law since 2000.
- 1996–2004: Member of the Board of the Association of Berlin Criminal Defense Lawyers (Vereinigung Berliner Strafverteidiger e.V.)
- 1998–2023 Member of the Executive Committee
- 2016–2023 Chair of the Executive Committee of the Criminal Law Section of the DAV
- Co-editor of the "Strafverteidiger-Forum (StraFo)" since 1996
- Lecturer in white-collar criminal law at the University of Potsdam from 2010 to 2014
- 2010–2021 Judge at the Constitutional Court of the State of Brandenburg