Charles Berger is principal scientist at the Netherlands Forensic Institute (NFI), and professor of Criminalistics at Leiden University. He specializes in subjects such as evidence interpretation and inference (logic, probability). At the NFI he is active in a number of areas such as education, R&D strategy, and his own research about which he publishes internationally (see charles-berger.com). He also supports the NFI experts, advises the direction, and guards the scientific quality.

He is also involved in promoting logically correct reasoning and concluding, introducing more objective methods, and going to activity level. For such improvements it is essential to explain them as often and as well as possible to all the stakeholders in the criminal justice system.

Charles is a member of the ISO technical committee that developed the ISO-21043 Forensic Sciences standard, and was lead editor of Part 4: Interpretation.