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

• LEAN green belt (UPD)

2019

• Agile coach introduction (Gladwell Academy)

2009

• UML Introductie (Geodan)

2008

• Scrum Master (Xebia)

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)