About Us
Evidence-Based Research on Law Enforcement and Performance
At the intersection of diverse backgrounds, expertise, and cultural perspectives, we are dedicated towards pushing the boundaries of evidence-driven knowledge on law enforcement and performance through global cooperation and collaboration.
To become an executive member of LEAPP, please contact us
Co-Founders

University of Toronto,
Health Adaptation Research on Trauma Laboratory
Judith P. Andersen, PhD
Dr. Andersen is a health psychologist and Associate Professor at the University of Toronto's Department of Psychology and Temerty Faculty of Medicine. With more than 15 years of experience working with populations exposed to severe and chronic stress including military and law enforcement professionals. She specializes in the psychophysiology of stress, with particular expertise in police performance under pressure.

Vrije Universiteit Amsterdam,
Netherlands Institute for the Study of Crime and Law Enforcement (NSCR)
Vana Hutter, PhD
Dr Vana Hutter is a senior researcher at the Netherlands Institute for the Study of Crime and Law Enforcement, particularly in the research group Evidence based policing at that institute. Moreover she is an assistant professor at the Faculty of behavioral and movement sciences of the VU University in Amsterdam. She is a human movement scientist and performance psychologist. She has been doing research with the police for about a decade now, with a particular focus on equipping officers with the skills to perform and collaborate under pressure.
Executive Members

Vrije Universiteit Amsterdam, Netherlands Organization for Applied Scientific Research (TNO)
Matthijs Koedijk, PhD

Vrije Universiteit Amsterdam, Institute of Brain and Behaviour Amsterdam
Lisanne Kleygrewe, PhD

University of Toronto Mississauga
Department of Research and Defence Canada (DRDC)
Jennifer F. Chan, PhD

Vrije Universiteit Amsterdam, Netherlands Institute for the Study of Crime and Law Enforcement (NSCR)
Karlijn Kooijman, MSc
Network Members

Vrije Universiteit Amsterdam
Amsterdam University of Applied Sciences
Raôul Oudejans, PhD

John Jay College of Criminal Justice, Kuwait National Police (KNP)
Nasser AlSabah, MSc







