2025
- Register Crime Prevention Through Environmental Design Expert (SVOB)
- ICA CPTED Certification Program (ICA)
2024
- Coping with civic unrest, polarisation and radicalisation (SBO)
2021
- Chief Data Officer (IMF Academy)
2020
2019
- Agile coach introduction (Gladwell Academy)
2009
2008
2007
- Management Course (Krauthammer International)
2006
- Prince2 Foundation Training (Insights International)
- Project management (TomTom)
2003
- Introductie Prince2 (PinkRoccade)
- Observing, Interpreting, and effective communication (Schouten en Nelissen)
2002
- Project management Prince 2 (Pink Roccade)
2001
- XML/XSL (Sun)
- Programming websites in XML (Computrain)
2000
- MapInfo (Geodan)
- Java programming for beginners (Sun)
- Sales training (ESRI Inc. USA, San Diego)
1995
- Coaching by objectives (Synergie Consultancy Amsterdam)
1993
- Commercieel Ingenieur (Post HTO Den Haag)
1991
- Vastgoed Informatiesystemen (Post HTO Den Haag)
1990
- Training Project Management (Training Institute Siemens)
1987-1989
- Diverse product courses (Arc/Info, GeoMap, Genasys, GFIS, SICAD)