Didier Meuwly is born in Fribourg, Switzerland. After a classical education (Latin / Philosophy), he graduated as a criminalist and criminologist (1993) and received his PhD (2000) at the School for Forensic Science (ESC) of the University of Lausanne, Switzerland.
He currently shares his time between the Forensic Institute of the Dutch Ministry of Security and Justice (Netherlands Forensic Institute – NFI), where he is a principal scientist, and the University of Twente (UT), where he holds the chair of Forensic Biometrics from 2013 onwards.

From 2002 to 2004 he worked as a senior forensic scientist at the R & D department of the UK Forensic Science Service (FSS), then an executive agency of the UK Ministry of the Interior.

Didier has served as a criminalist in several international terrorist cases on request of the ICTY, STL, UN, UK and CH and has authored and coauthored more than 60 scientific publications and book chapters in the field of forensic science.

Didier specialises in the automation and validation of the probabilistic evaluation of forensic evidence, and more specifically biometric traces. 

Didier is an associate and guest editor of Forensic Science International (FSI), a member of the R & D standing committee for research and development of the European Network of Forensic Science Institutes (ENFSI) and is an observer of the ISO Technical Committee 272 editing the first ISO forensic science standard (21043). He is the recipient of the ENFSI distinguished forensic scientist award 2022.