Forensic social professionals work with mandated clients who pose a risk to others or themselves. They work in a wide range of occupational fields, such as probation services, juvenile detention centres, prisons and forensic care facilities. This work requires a specific set of skills, effective methods and targeted training. Our research group contributes to the professionalism and continuity of this field.

Lines of research within the research group

What makes the daily activities of forensic social professionals effective? How do they successfully assist clients in reducing delinquent or antisocial behaviour, and how do they support such clients to reintegrate into society? What skills, attitude and knowledge are required for them to do this kind of work?

This line of research focusses on the professional quality of this occupational group. Among other things, we look at how professionals make effective use of scientific knowledge, establish connections with the experiential knowledge of other professionals and with the preferences and experiences of the clients. Our research also takes the role of personal beliefs into consideration.

Supervising and reintegrating mandated clients often involves a number of different institutions, departments and employees. For successful reintegration, it is important that clients experience a consistent approach during the supervision and care provided by different professionals. The line of research Continuity examines what forensic social professionals need in order to achieve this consistency or ‘continuity’.

Among other things, we study:

  • the needs of clients and professionals when it comes to ongoing care and support;
  • collaboration between workers from different organisations or different specialities;
  • existing initiatives to promote continuity.


  • Mind the gap



The Research group Working with Mandated Clients strives to contribute to higher professional education in various ways and actively involves students and lecturers in research projects. The research group develops new degree programmes and modules, including the Master Forensic Social Professional, which was developed in collaboration with the Institute for Law. We also collaborate with other knowledge institutions.

Research group Working with Mandated Clients Jacqueline Bosker | Professor | Working with Mandated Clients

“Effective action by forensic social professionals is of great importance for the reduction of delinquency and other forms of risky behaviour, to support the inclusion of offenders back into society and to increase the safety of children and young people.”

Jacqueline Bosker


The research group is co-funded by Reclassering Nederlands (the Dutch Probation Services), the Stichting Verslavingsreclassering GGZ (GGZ Addiction Rehabilitation Foundation), and the Leger des Heils Jeugdzorg & Reclassering (Salvation Army Youth Care & Probation Service).

The research group collaborates on a structural basis with the Research group Value of Rehabilitation of the Saxion University of Applied Sciences and the Research group Addiction Science of the Hanze University of Applied Sciences, Groningen.

Reclassering Nederland
Stichting Verslavingsreclassering GGZ
Leger des Heils Jeugdbescherming en Reclassering | Salvation Army Youth Care and Probation Service

Our professors and researchers

Jacqueline Bosker | Professor | Working with Mandated Clients

Jacqueline Bosker

Professor Working with Mandated Clients Show profile
Vivienne de Vogel | Professor | Working with Mandated Clients

Vivienne de Vogel

Professor Working with Mandated Clients Show profile
Widya de Bakker | Researcher / PhD candidate | Knowledge analysis societal security and Working with Mandated Clients

Widya de Bakker

Researcher Knowledge Analysis Societal Security, Working with Mandated Clients Show profile
Gercoline van Beek | Researcher / PhD candidate | Working with Mandated Clients and Debt and Debt Collection

Gercoline van Beek

Researcher Debt and Debt Collection, Working with Mandated Clients Show profile

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