Paulina Rob studied law in Cologne and passed her first state examination in January 2022. During her studies, she worked as a student assistant at the Chair of Constitutional and Administrative Law as well as Science Law and Media Law and at the Chair of Civil Law and Legal Theory, both at the University of Cologne. She completed internships at the Federal Cartel Office and the Düsseldorf Labour Court. She specialised in International and European law.

Since 2022, she has been a PhD Candidate and Research Assistant at the Institute for International Peace and Security Law at the University of Cologne. During Michaelmas Term 2023 she was a Visiting Fellow at the Lauterpacht Centre for International Law of the University of Cambridge. Paulina's research interests include general international law, international criminal law and legal theory.

She is a member of the Cologne Center for Advanced Studies in International History and Law.