Dr Diana Ionescu is a lecturer at the Faculty of Law within the Babeș-Bolyai University in Cluj-Napoca and a criminal defence attorney. She received a master's degree from this University in 2002, as well as a Ph.D. in law in 2012. The research subject was 'The right to silence in criminal proceedings'. She has studied comparative law at the International Faculty of Comparative Law in Strasbourg (cycles I, II and III) and the Faculty of Law of the University of Cambridge ('English Legal Method’). She obtained a certificate in European criminal law at the Institute of European Studies within the Université libre de Bruxelles.
She focuses on Romanian criminal procedure and European and comparative criminal procedure. A topic that is usually present in her publications is the impact of historical legacies on present patterns of criminal justice. In 2007, she was involved in the drafting of the New Criminal Procedure Code as a member of the Ministry of Justice’s committee.