Marianne Hirsch Ballin has been an attorney since 2011, with a hiatus from 2018 to 2021. She is also a professor of Criminal Law and Criminal Procedure Law at the Vrije Universiteit Amsterdam. Marianne's area of expertise is all of criminal (procedural) law and at the interface between criminal law and other branches of law, in particular administrative law, privacy law, and European and international law. She represents government authorities in proceedings involving, in particular, criminal prosecution, international criminal law, and prison law.
Marianne studied law at Utrecht University, where she completed the Legal Research Master's in 2007 (cum laude). Marianne was awarded a doctorate by the same university in 2012. She also studied and conducted research at the Georgetown School of Law and the International Human Rights Law Institute of DePaul University. Since 2018, Marianne has been a professor of Criminal Law and Procedure and headed the Criminal Law and Criminology Department at the Vrije Universiteit Amsterdam. She conducts research and lectures in the field of criminal procedure, in particular investigation, European criminal law, and the interaction between criminal law and other branches of law. Marianne is a member of the New Code of Criminal Procedure Implementation Commission and on the board of the National 4 and 5 May Committee.