Marianne Hirsch Ballin started as attorney at Pels Rijcken in 2011. In January 2018 she was appointed as full professor of Criminal Law and Criminal Procedure at the VU Amsterdam (Vrije Universiteit Amsterdam). In 2021 she returned partly to practice at Pels Rijcken, followed by appointment as partner in 2023, which she combines with her affiliation at the VU Amsterdam. Marianne's area of expertise is criminal (procedural) law, also at the interface between criminal law and other areas of law. She represents government authorities in proceedings dealing with, in particular, elements of criminal investigation and prosecution, human rights, transnational criminal law and penitentiary law.
Marianne studied law at Utrecht University, where she completed an LL.M. in Legal Research in 2007 (cum laude). Marianne obtained her doctorate degree (PhD) at the same university in 2012 (Anticipative Criminal Investigation. Theory and Counterterrorism Practice in the Netherlands and the United States). She also studied and conducted research at Georgetown School of Law in Washington D.C. and at the International Human Rights Law Institute of DePaul University, Chicago. Since 2018, Marianne has been a full professor of Criminal Law and Procedure. From 2018 until 2023 she chaired the Criminal Law and Criminology Department at the VU Amsterdam. She conducts research and lectures in the field of criminal procedure, in particular criminal investigation, European criminal law, and the interaction between criminal law and other areas of law. Marianne is since 2019 also member of the board of the National Committee 4 and 5 May.