General information
| birth name | Erik Julius Knorth |
| year, place of birth | 1951, Oosterbeek (municipality Renkum), The Netherlands |
Education
| 1969 | High School (Gymnasium β) |
| 1972 | BSc Psychology, Groningen University |
| 1977 | MSc Developmental Psychology, Utrecht University |
| 1978 | BSc Clinical Pedagogy, Free University Amsterdam |
| 1979 | Courses on Advanced Statistics, Utrecht University |
| 1984 | Courses on Applied Quantitative Analyses, Leiden University |
| 1987 | PhD, Leiden University (Promotores prof. J.D. van der Ploeg, prof. P.A. de Ruyter, VU) |
Work experience
| 1972 | Student assistant, Groningen University |
| 1973-1977 | Student assistant, Utrecht University |
| 1978-1979 | Student assistant, Utrecht University |
| 1979-1994 | Junior researcher, Leiden University |
| 1995-2003 | Assistant professor child and youth care, Leiden University |
| 2004-2016 | Full professor child and youth care, Groningen University |
| 2017-present | Emeritus professor, Groningen University |
Teaching (in Dutch)
| 1972 | Practicum Gesprekstechnieken (RUG) |
| 1973-1977 | Projectonderwijs Kinderbescherming (RU) |
| 1977-1978 | Methoden en technieken sociaal-wetenschappelijk onderzoek (RU) |
| 1978-2015 | Begeleiding scriptieonderzoek: doctoraal, BSc, MSc (RU, RUL, RUG)2 [plm. 150] |
| 1978-2015 | Begeleiding praktijkstages: doctoraal, MSc (RUL, RUG) [plm. 120] |
| 1978-2003 | Orthopedagogiek Leiden University |
| Diverse onderwijsvormen (hoor- en werkcolleges, practica, werk- groepen) en topics: – Institutionele orthopedagogiek en organisatiekunde – Residentiële hulpverlening – Gespreks- en observatiemethoden – (Test-)diagnostiek in de orthopedagogiek – Psychosociale problematiek van jeugdigen – Scriptieschrijven – Behandeling in de orthopedagogiek – Jeugdhulpverlening – Planmatig werken in de jeugdzorg – Hulpverleningsprocessen en -modellen – Ethiek in de hulpverlening | |
| 1988-1992 | Coördinator/hoofddocent PAO-cursus ‘(Semi)residentiële jeugdzorg’ |
| 1993-1997 | Coördinator/hoofddocent PAO-cursus ‘Planmatig werken in jeugdzorg’ |
| 1997-1998 | Coördinator/hoofddocent PDBO-modules3 ‘Handelingsplanning’ en ‘Ernstige en complexe opvoedingsproblemen in de jeugdhulpverlening’ |
| 1998-2003 | Coördinator/hoofddocent PDBO-cursus ‘Handelingsplanning’ (geaccrediteerd wet BIG)4 |
| 2003 | Masterclass Ned. Ver. voor Sociaal-Pedagogische Hulpverlening (NVSPH) |
| 2004-2016 | Orthopedagogiek Groningen University |
| Diverse onderwijsvormen (hoor- en werkcolleges, practica, werk- groepen) en topics: – Inleiding in de orthopedagogiek – Theorieën en modellen in de orthopedagogiek – Gedrags- en opvoedingsproblemen – Diagnostiek en behandeling in de orthopedagogiek – Organisatiekunde – Kwaliteit en effectiviteit in de jeugdzorg | |
| 1987-present | Supervision PhD-students [24] |
| 1987-present | Diverse gastcolleges in binnen- en buitenland (o.a. Katholieke Universiteit Leuven, Universiteit Gent, Universität Oldenburg) |
2 RU = Rijksuniversiteit Utrecht; RUL = Rijksuniversiteit Leiden; RUG = Rijksuniversiteit Groningen
3 PDBO = Post-Doctorale Beroepsopleidingen Orthopedagogiek
4 BIG = Beroepen in de Gezondheidszorg
Research
| 1980-1987 | PhD – Children’s admission into residential care, Leiden University |
| 1983-1992 | PI – Out-of-home placement in child and youth care, Leiden University |
| 1993-2003 | PI – Supporting children and young people with serious behavioural problems, Leiden University |
| 2004-2016 | PI/Supervisor research programme ‘Developmental and behavioural disorders in education and care: assessment and intervention’, Groningen University |
| 2009-present | PI/advisor Academic Collaboration C4Youth,5 ‘Tracing Achievements, Key processes and Efforts in professional care for Children and Adolescents REsearch’ (TAKECARE), Groningen University / University Medical Center Groningen |
| For further information, see list of ‘Publications and other Output’ |
5 C4Youth = Collaborative Centre on Care for Children and Youth with emotional and behavioural problems
Administrative tasks at University (in Dutch)
| 1969-1970 | Studentlid subfaculteitsraad Psychologie, RUG |
| 1972-1977 | Studentlid instituutsraad Ontwikkelingspsychologie, RU |
| 1973-1974 | Studentlid subfaculteitsraad Psychologie, RU |
| 1980-2003 | Lid vakgroepsraad Orthopedagogiek, RUL |
| 1981-1984 | Lid wetenschapscommissie Orthopedagogiek, RUL |
| 1984-1985 | Lid onderwijscommissie Orthopedagogiek, RUL |
| 1984-1986 | Lid scriptiecommissie Orthopedagogiek, RUL |
| 1992-1998 | Secretaris | voorzitter wetenschapscommissie Orthopedagogiek RUL |
| 1994-1997 | Lid Dagelijks Bestuur Orthopedagogiek RUL, portefeuille onderzoek |
| 1994-1997 | Lid Raad van Toezicht Centrum Onderzoek Jeugdhulpverlening (COJ), RUL |
| 1994-2002 | Lid voorbereidingsgroep Departement Pedagogische Wetenschappen RUL externe onderzoeksvisitaties VSNU6 |
| 1995-2004 | Lid / voorzitter Examencommissie ad hoc Departement Pedagogische Wetenschappen RUL |
| 1997-2000 | Voorzitter Dagelijks Bestuur Orthopedagogiek RUL |
| 1999-2002 | Lid Departementsbestuur Pedagogische Wetenschappen RUL |
| 2004-2015 | Lid Dagelijks Bestuur Orthopedagogiek, RUG |
| 2004-2016 | Voorzitter Programmacommissie herziening onderwijs PedOk |
| 2004-2012 | Lid Bestuur Onderzoeksschool/netwerk ISED namens RUG |
| 2004-2008 | Lid Curatorium bijzondere leerstoel prof. dr. T. Zandberg |
| 2006-2010 | Voorzitter Orthopedagogiek, RUG |
| 2006-2010 | Voorzitter Externe Raad van Advies Orthopedagogiek, RUG |
| 2008-2015 | Lid/vice-voorzitter Dagelijks Bestuur Academische Werkplaats C4Youth |
| 2010-2015 | Lid Stuurgroep Academische Werkplaats C4Youth |
| 2010-2015 | Lid Raad van Toezicht Academische Werkplaats C4Youth |
| 2012-2017 | Lid Curatorium bijzondere leerstoel prof. dr. T. van Yperen |
| 2013-2016 | Lid Curatorium bijzondere leerstoel prof. dr. mr. M. Kalverboer |
| 2004-2015 | Lid Nieuwenhuisraad / hooglerarenoverleg PedOk, RUG |
| 2004-2015 | Voorzitter Examencommissie ad hoc Pedagogische Wetenschappen RUG |
| 2004-2015 | Lid/voorzitter sectieoverleg Jeugdzorg Orthopedagogiek, RUG |
| 2004-2015 | Lid voorbereidingsgroep Pedagogische Wetenschappen en Onderwijs- kunde RUG externe onderzoeks- en onderwijsvisitaties VSNU |
6 VSNU = Vereniging van Samenwerkende Nederlandse Universiteiten
Member expert group/committee
| 1981 | Member Invitational Conference CWOK/Ministry of Justice7: Debate on Com-procedure (debate with dr. Mesman Schultz) |
| 1987-1989 | Member expert group Jeugd en Gezin Haarlem regarding standardisation diagnostic instruments (VSPS)8 |
| 1989-1994 | Member expert group Maatschappij Zandbergen (Amersfoort) on (failing) placement processes of young people |
| 1990-1992 | Member Advising Board Bijzonder Jeugdwerk Nederland |
| 1990-1992 | Member steering group COJ-research ‘Cooperation in child and youth care’ (PI: prof. Van der Ploeg, Leiden University) |
| 1992-1993 | Member Scientific Committee 3rd International EUSARF Conference, Lüneburg, Germany |
| 1994-1998 | Advisor child and youth care organisations province Noord-Brabant on entry upon care of young people |
| 1994-1995 | Member Programme and Scientific Committee 4th International EUSARF Conference, Leuven, Belgium |
| 1995 | Member EU-Review Committee INTAS-Project9 ‘Epidemiological Research Problem Behaviour Children in Russia’ (PI: dr. Bodrova, with site visit Moscow, Russian Federation) |
| 1996 | Member Expert-panel Delphi-research ‘Diagnostics in child and youth care’ (PI: prof. Snel, University of Amsterdam) |
| 1996-2001 | Member steering group ‘Evaluation study Orthopsychiatric Clinic De Fjord Rotterdam’ (PI: dr. Boon, Leiden University) |
| 1996-2002 | Member steering committee project ‘Cooperation youth care and education Den Haag’ (PI: dr. Louwersheimer, HHK Den Haag) |
| 1997-1998 | Member Programme Committee 6th International EUSARF Conference, Paris, France |
| 1997-1998 | Supervisor research project ‘Allocation of care to young persons in Noord-Brabant’ (PI: dr. Oud, Catholic University Nijmegen) |
| 1997-2001 | Member Jury Rijnhove Prize for child and youth care research |
| 1998 | Member Expert Panel NIZW Treatment planning in child and youth care (PI: dr. De Ruyter) |
| 1998 | Lid Invitational Conference Ministry of Justice: Debate on decision-making research (debate with prof. Dalgleish) |
| 1998-1999 | Chair steering group research project ‘Registration of problem behaviour in child and youth care’ (PI: prof. Veerman, Catholic University Nijmegen) |
| 1998-1999 | Chair steering group research project ‘Registration of child and youth care wished for and actually realised’ (PI: dr. Van Yperen, NIZW) |
| 1998-2000 | Member Advisory Board De Mare (Leiden) on innovation residential child and youth care programmes |
| 2000-2001 | Member steering group Decision-making Screening Committee Youth Care Agency Den Haag / Zuid-Holland Noord |
| 2002-2003 | Member Programme Committee 8th International EUSARF Conference, Leuven, Belgium |
| 2002-2004 | Advisor province Zuid-Holland re support and treatment of youth with extreme behavioural problems |
| 2002-2005 | Member Jury Horizon Prize for child and youth care research |
| 2002 | External reviewer Chapin Hall research project on Effects of Good Quality Residential Education (PI: prof. Little, University of Chicago) |
| 2002-2006 | Member expert group residential youth care, initiated by Expert Centre on Child and Youth Care Collegio, Utrecht |
| 2003 | Member expert group NIZW10: Measuring client satisfaction in child and youth care |
| 2004-2005 | Member Programme Committee 9th International EUSARF Conference, Paris, France |
| 2004-2008 | Chair steering group research project ‘Measuring outcomes in child and youth care’ (PI: prof. Veerman, Radboud University Nijmegen) |
| 2005 | Member expert group Treatment in Juveniles Justice Facilities (including debate during expert meeting JJI Almelo) |
| 2006-2007 | Member Committee Interventions Youth ZonMw/NWO regarding assessment of proposals Programme Youth | Early Detection and Interventions |
| 2007 | Member expert group Programming Study Youth−Youth Care, by order of ZonMw/NWO |
| 2007-2008 | Member Programme and Scientific Committee 10th International EUSARF Conference, Padova, Italy |
| 2009-2010 | Chair Programme and Scientific Committee 11th International EUSARF Conference, Groningen, the Netherlands |
| 2010-2011 | Member expert group Development Monitor Therapeutic Residential Care Centres, Ministry of Public Health, Welfare and Sports |
| 2011-2012 | Member Scientific Committee 12th International EUSARF Conference, Glasgow, Scotland |
| 2012-2013 | Member World Advisory Committee of the Child & Youth Care World Conference 2013, St. Johns, Newfoundland-Labrador, Canada |
| 2013 | Member and Speaker Invitational Conference RIVM/NJi11 ‘What Works’, Jaarbeurs, Utrecht |
| 2013 | Adviser and member assessment panel professorial position KU Leuven, Faculty of Psychology and Educational Sciences, Department of Parenting and Special Education, Leuven, Belgium |
| 2013 | Member International Panel re Peer Review Research Evaluation [Onderzoeksvisitatie] 2005-2012, Faculty of Psychology and Educational Sciences, University of Ghent, Belgium, site visits October 15-18, 2013 |
| 2015-2016 | Member Scientific Committee 14th International EUSARF Conference, Oviedo, Spain |
| 2015-present | Member Advisory Board “International Perspectives on Clients’ Participation in Child Protection Agencies’ Decision-Making” Research (PI: prof. Skivenes, University of Bergen, Norway) |
| 2016-2019 | Chair Scientific Board Therapeutic Residential Youth Care Organisations (JeugdzorgPlus instellingen) in the Netherlands |
| 2016-2020 | Member Committee ZonMw/NWO regarding assessment of proposals and supervising ongoing research within the Programme Longitudinal Effect Monitor JeugdzorgPlus (10 studies) |
| 2016 | Member Review Committee European Scientific Association on Residential and Family care re EUSARF 2018 Conference Warsaw, Poland (with site visit Warsaw) |
| 2017 | Member team of lecturers Summer School on ‘The Future of Child and Family Welfare Policy’, University of Groningen, August 21-25, 2017 |
| 2017-2018 | Adviser professorial position Groningen University, Study Centre for Children, Migration and Law (Nidos leerstoel) |
| 2017-2018 | Adviser and member assessment panel professorial position Erasmus University Rotterdam, Erasmus School of Social and Behavioral Sciences (ESSBS) (Horizon leerstoel) |
| 2018-2019 | Member Supervisory Committee re Evaluation of the 2015 Dutch Youth Act, domain: Mental Health Services for Children and Adolescents |
| 2018-present | Member Council / Regent Ref. Orphanage (GBW) Rotterdam |
| 2022-2024 | Member Supervisory Committee re National Research on ‘Uithuisplaatsing en terugplaatsing van jeugdigen’ [Placement out of home and family reunification of youth] by WODC (PI: prof. Bruning, Leiden University) |
7 CWOK = Coördinatiecommissie Wetenschappelijk Onderzoek Kinderbescherming
8 VSPS = Vragenlijst Sociale en Pedagogische Situatie
9 INTAS = International Association, formed by the EU and like-minded countries
10 NIZW = Nederlands Instituut voor Zorg en Welzijn
11 NJi = Nederlands Jeugdinstituut
Member Supervisory/Examination Committee PhD projects
| 1996 | H. M. Pijnenburg: Diagnostic decision-making in teams (Catholic University Nijmegen) |
| 2002 | R. De Meijer: Indications for foster care in the Netherlands (Catholic University Nijmegen) |
| 2002 | M. Kromhout: Marokkaanse jongeren in de residentiële hulpverlening (Leiden University) |
| 2003 | M. van Binsbergen: Motivatie voor behandeling: Ontwikkeling van behandelmotivatie in een justitiële instelling (Leiden University) |
| 2004 | C. J. Boersma: Attitudeschaal Sociale Limieten-ASL: Ontwikkeling en instrumentele utiliteit (Groningen University) |
| 2004 | A. Jonker: Niet opsluiten, maar opvoeden (Groningen University) |
| 2004 | L. Geeraert: Vroegtijdige preventie van kindermishandeling (Catholic University Leuven) |
| 2005 | T. Roggen: Omgangskwaliteit voor orthopedagogen (Groningen University) 2006 G. Kroes: The perception of child problem behavior: the role of informant personality and context (Radboud University Nijmegen) |
| 2006 | S. Ruiter: The BSID-II-NL for assessing children with specific impairments (Groningen University) |
| 2007 | A. M. N. Huyghen: Grensverleggend. Onderzoek naar een leerlingen- populatie van Cluster 4; evaluatie van de training ‘Omgaan met Sociale Grenzen’ (Groningen University) |
| 2008 | J. Drost: Residentiële justitiële opvoeding (Groningen University) |
| 2009 | J. F. Wielemaker: Langdurig klinisch behandeld in de kinder- en jeugd- psychiatrie: een follow-up onderzoek na 5 tot 25 jaar (Erasmus University Rotterdam) |
| 2010 | S. van Oijen: Resultaat van pleegzorgplaatsingen. Een onderzoek naar breakdown en de ontwikkeling van adolescente pleegkinderen bij lang- durige pleegzorgplaatsing (Groningen University) |
| 2010 | C. L’Abée: Infant growth (Groningen University) |
| 2010 | B. Oeseburg: Prevalence and impact of chronic diseases in adolescents with intellectual disability (Groningen University) |
| 2010 | M. Jaspers: Prediction of psychosocial problems in adolescents (Groningen University) |
| 2011 | M. López: Outcomes assessment of foster care in Spain (University of Oviedo, Spain) |
| 2011 | J. J. van der Maas: Diagnostiek van ouderfunctioneren: Een functioneel- contextueel perspectief (Free University Amsterdam) |
| 2011 | Z. Tomčíková: Parental divorce and adolescent excessive drinking (Groningen University) |
| 2011 | M. Valenkamp: Inperken voorkomen (Erasmus University Rotterdam) |
| 2011 | P. van der Helm: First do no harm: Living group climate in secure juvenile correctional institutions (Free University Amsterdam) |
| 2011 | K. Nijhof: Crossing barriers. Evaluation of a new compulsory residen- tial treatment program for youth (Radboud University Nijmegen) |
| 2011 | J. J. W. de Swart: De professionele jeugdzorgwerker (Free University Amsterdam) |
| 2012 | K. Stals: De cirkel is rond. Onderzoek naar succesvolle implementatie van interventies in de jeugdzorg (Utrecht University) |
| 2013 | A. Kepper: Substance use among adolescents in special education and residential youth care (Utrecht University) |
| 2014 | I. Bastiaanssen: Handle with care: Group care worker interventions for youth in residential treatment (Radboud University Nijmegen) |
| 2015 | P. Poppes: Challenging practices: Challenging behaviour in people with PIMD and its consequences for practice (Groningen University) |
| 2015 | S. L. G. Jansen: Shared responsibility; a load off your mind. Collabora- tion with parents in the support of children with PIMD (Groningen University) |
| 2015 | M. Olthof-Kleefman: Parenting of children with borderline to mild intellectual disability and psychosocial problems (Groningen University) |
| 2016 | M. Tiekstra: Fostering the learning potential of at-risk students in the classroom (Groningen University) |
| 2016 | P. B. Goense: Bridging the implementation gap. A study on sustainable implementation of interventions in child and youth care organizations |
| 2016 | K. Veldman: Mental health from a life course perspective: the transition from school to work (Groningen University) |
| 2017 | L. Belenger: Samenwerking ondersteunen tussen ouders en pleegouders: Evaluatie van de SOP-methodiek (Free University Brussels, Belgium) |
| 2017 | M. Weeland: Diagnostics and treatment of internalizing problems in residential youth care (Radboud University Nijmegen) |
| 2018 | E. ter Beek: To treat or not to treat? Harmful sexual behaviour in adolescence: Needs before risk (University of Amsterdam) |
| 2018 | H. Leloux-Opmeer: Who cares?! Baseline profiles and child development in different 24-h settings (Leiden University) |
| 2018 | D. Wubs: A story of stories. The impact of caring for a foster child with a history of sexual abuse on family life (Groningen University) |
| 2018 | E. Strijbosch: Group work in progress. Exploring ways to build a positive group climate for 4-15 year old children (University of Amsterdam) |
| 2019 | S. B. B. de Boer: Age of onset of disruptive behavior of residentially treated adolescents (Leiden University) |
| 2019 | M. de Greef: Addressing the alliance. The parent-professional alliance in home-based parenting support: importance and associated factors (Radboud University Nijmegen) |
| 2019 | R. de Jong: Sociaal- en rechtswetenschappelijke analyse m.b.t. de transitie naar volwassenheid van jeugdigen, opgenomen in een instelling voor residentiële hulp (Tilburg University) |
| 2020 | E. Schep: Attachment in interaction. A conversation analytic study on dinner conversations with adolescents in family-style group care (University of Groningen) |
| 2021 | M. Lacová Rebičová: Adverse childhood experiences among adolescents with emotional and behavioural problems (University of Groningen) |
| 2021 | K. M. Visser: We instead of I alone. The effectiveness of non-violent resistance in the residential setting for juveniles with mild intellectual disabilities (Free University Amsterdam) |
| 2022 | J. Macková: Families at risk and the role of the care system (University of Groningen) |
| 2022 | M. Pater: Music therapy for children with Autism Spectrum Disorders: development and first evaluation of the Papageno Mucis Therapy Program (University of Groningen) |
| 2022 | V. Verhage: Psychosocial care for children and adolescents: functioning of clients and professionals (University of Groningen) |
| 2023 | L. Beukema: Adolescents with mental health problems in school: Towards better help-seeking and support (University of Groningen) |
| 2025 | E. Doelman: How to turn the tide? Family perspectives on the results of child protection (Erasmus University Rotterdam) |
Organisation/Chairing Conference, Symposium, Seminar
| 1984 | (Co)organizer 2nd Scientific Residential Pedagogy Symposium ‘Limits of residential care’, Leiden |
| 1987 | (Co)organizer 5th Scientific Residential Pedagogy Symposium ‘Decision-making and child and youth care’, Leiden |
| 1989-1991 | Organizing/chairing 2nd International EUSARF Conference ‘Social Competence and Social Support’, Noordwijkerhout |
| 1991 | Organizer/co-chairman Bijzonder Jeugdwerk Conference ‘Diagnostics re children’s placement and entry upon care’, Lochem |
| 1993 | (Co)organizer Symposium SJU ‘Children referred to but not admitted into care’, Utrecht |
| 1994 | Chairing ‘Symposium III’ at the International Conference on Family Foster Care, Madrid, Spain |
| 1995 | Organizer/chair Kind en Adolescent Conference ‘Writing and being read’, Amerfoort |
| 1998-2000 | Organizing/co-chairing 7th International EUSARF Conference / 43rd FICE Congress ‘Changing Views on Child and Youth Care’, Maastricht |
| 1999 | Chairman Symposium Province Gelderland ‘Registration in child and youth care’, Velp |
| 2000 | Organizing/chairing Symposium ‘Treatment Plans and Planning in Child and Youth Care’ at 7th International EUSARF Conference / 43rd FICE Congress, Maastricht |
| 2000 | Organizing/co-chairing Symposium ‘Professionalization of (Residential) Child and Youth Care in three European Countries’ at 7th International EUSARF Conference / 43rd FICE Congress, Maastricht |
| 2007 | Co-organizer/chairman International Conference on ‘Interventions for troubled and troubling youth: Lessons from outcome research’, Leuven, Belgium |
| 2009-2010 | President/main organizer 11th International EUSARF Conference ‘Inside Out’, Groningen, the Netherlands |
| 2010 | Co-organizer 6th Seminar of the International Research Network on Transitions to Adulthood from Care (INTRAC), Groningen, the Netherlands |
| 2010 | Co-organizer 4th Conference of the International Network on Foster Care Research (INFOCARE), Groningen, the Netherlands |
| 2010-2011 | Chairing Knowledge Network Taxonomy of Care for Youth: Tocfy. Academic Cooperation Care for Youth C4Youth, Groningen |
| 2012 | Organizer Symposium ‘Orthopedagogiek en de ‘verantwoorde’ praktijk’, on the occasion of the departure of dr. T. Roggen, Groningen |
| 2013 | President/co-organizer International ‘Decision-Making in Child and Youth Care’ Conference Groningen [in cooperation with ISED and C4Youth] |
| 2014 | Organizer Symposium ‘Hulp bij leer- en gedragsproblemen, zorgen over morgen!’, Groningen |
| 2014 | Chair/co-organizer Safeguarding Children Conference “Safeguarding Children: Everybody’s Business”, Loughborough, UK |
| 2015 | Chair Symposium ‘Voice of the child’ at the 8th International Foster Care Research Network Conference, Siegen, Germany |
| 2018 | Chair Symposium ‘Participation in Child Protection’ at the 15th International Biennial Eusarf Conference, Porto, Portugal |
Membership editorial board
| 1991-2013 | Member editorial board Kind en Adolescent (Bohn Stafleu van Loghum) |
| 2005-2011 | Editor-in-chief Kind en Adolescent (Bohn Stafleu van Loghum) |
| 1996-2018 | Member editorial board International Journal of Child and Family Welfare (Garant Publishers) |
| 2012-2018 | Editor-in-chief International Journal of Child and Family Welfare |
| 1997-2005 | Member editorial board Rijnhove/Horizon Series (SWP Publishers) |
| 1999-2005 | Member editorial board Child and Youth Care Forum (Springer) |
| 2007-present | Member editorial board Child and Youth Services (Routledge – Taylor & Francis Group) |
| 2012-present | Member editorial board Ortho-Series Lemniscaat (Lemniscaat) |
| 2015-2022 | Editor-in-chief Ortho-Series Lemniscaat (Lemniscaat) |
| 2014-2015 | Guest editor Child Abuse and Neglect (Elsevier) |
| 2019-present | Member editorial board Children and Youth Services Review (Elsevier) |
| 2020-present | Member editorial board Residential Treatment for Children and Youth (Routledge – Taylor & Francis Group) |
| 2021-present | Member editorial board Orthopedagogiek: Onderzoek en Praktijk (Gompel & Svacina) |
Membership international scientific association
| 1989 | Member and Vice-President (1993 – 2016) European Scientific Associa- tion on Residential and Family care for children & adolescents (EUSARF) |
| 1990 | Member Fédération Internationale des Communautés Éducatives (FICE) |
| 1991-1995 | Association Internationale de Formation et Recherches en Éducation Familiale (AIFREF) |
| 2006-2017 | Member International research network on the Transitions of young people to Adulthood from Care (INTRAC) |
| 2007-present | Member International Foster Care Research Network (INFOCARE) |
| 2007-2013 | Member International Children, Young People and Families at Risk network (ICYPFR) |
| 2014-present | Member Decision-Making network (DM-network) |
| 2014-2020 | Member International Research Group on Child Abuse: HESTIA |
| 2015-2020 | Member/Coordinator International Stakeholders Group HESTIA Project |
| 2016-present | Member International Work Group on Therapeutic Residential Care (TRC-Work Group) |
Membership professional association
| Netherlands Institute of Psychologists (NIP) |
| Netherlands Association of Pedagogues (NVO) |
| Association for Ortho-agogic Activities (O&A) |
| Netherlands Association for Social Pedagogy (NVSPH) |
Reviewer international
| American Journal of Orthopsychiatry |
| Children and Youth Services Review |
| Child Abuse and Neglect |
| Child and Family Social Work Child and Youth Care Forum Child and Youth Services |
| European Child and Adolescent Psychiatry |
| European Journal of Social Work |
| International Journal of Child and Family Welfare |
| International Journal of Offender Therapy and Comparative Criminology |
| Journal of Child and Family Studies |
| Journal of Public Child Welfare |
| Residential Treatment for Children and Youth |
| Social Service Review |
| Social Work and Society |
| Swiss Journal of Social Work |
Reviewer national
| Jeugd en Samenleving |
| Kind en Adolescent |
| Kind en Adolescent Praktijk Orthopedagogiek: Onderzoek en Praktijk Pedagogiek |
| Tijdschrift voor Criminologie |
| Tijdschrift voor Orthopedagogiek |
| Tijdschrift voor Orthopedagogiek, Kinderpsychiatrie en Klinische Kinderpsychologie |