Principal investigators
Dr. Anja Dirkzwager, NSCR
Prof.dr. Paul Nieuwbeerta, Leiden University

Steering committee
Dr. Anja Dirkzwager, NSCR
Prof.dr. Peter van der Laan, NSCR
Prof.dr. Paul Nieuwbeerta,Leiden University
Dr. Joni Reef, Leiden University

Drs. Karin Beijersbergen (Procedural justice in prison)
Drs. Anouk Bosma (Behavioral interventions in prison)
Drs. Ruben de Cuijpe (Prisoners' social networks)
Dr. Anja Dirkzwager (Prison Project in general, prisoners' health)
Drs. Jennifer Doekhie (Desistance in long sentenced prisoners)
Drs. Mattias van Hall (Procedural just treatment by different legal authorities)
Prof.dr. Peter van der Laan (Probation supervision)
Prof.dr. Paul Nieuwbeerta (Prison Project in general, effects of imprisonment)
Dr. Hanneke Palmen (Prisoners' social networks)
Drs. Ellen Raaijmakers (Subjective sentence severity)
Drs. Anke Ramaker (Prisoners' labor market position)
Dr. Joni Reef (Children of prisoners)
Dr. Marieke van Schellen (Prisoners' partner relationships)
Drs. Hilde Wermink (Sentencing)
Drs. Susanne de Goede (Prisoners' partners)
Drs. Maaike Wensveen (Prisoners' housing situation)
Drs. Franziska Yasrebi-de Kom (Deterrence and procedural justice)

Data coordinator
Drs. Sanne van der Stelt

The Prison Project is conducted by the following institutions:

- University of Leiden
- Netherlands Institute for the Study of Crime and Law Enforcement (NSCR)
- University of Utrecht