Peter van Koppen JD is a psychologist and full professor of Legal Psychology at the Faculty of Law of VU University Amsterdam.

Peter van Koppen is a member of the Royal Holland Society of Sciences and Humanities. He is editor of the international journal Psychology, Crime, and Law (since 1992). He is a member of the Governing Board of the Netherlands Register of Court Experts.

Van Koppen published, next to some 35 books, 125 articles and 100 chapters in edited volumes, many of legal psychology, but also on the quality of evidence and misbehaviour of police, prosecution and judges.

Van Koppen has served as an expert witness in more than 450 cases. In 2014 he was awarded the Tom Williamson Award for life time achievement by the International Investigative Interviewing Research Group, iIIRG. In 2016 he received the Lifetime Achievement Award of the European Association of Psychology and Law (EAPL).