education
- 1979 -- Doctoraal Philosophy (UvA)
- 1979 -- Gerrit Rietveld Academy - painting
- 1985 -- Doctoraal Psychology (UvA)
- 1986 -- Doctoraal Informatica (UvA, cum laude)
- 1991 -- Ph.D. Informatica, prof. dr. J. de Bakker, prof. dr. P. Klint
- 1979-82: project medewerker Institute of Sonology (Univ of Utrecht)
- 1981-82: assistent researcher, Dept of Philosophy, UvA
- 1996-90: assistent researcher, CWI
- 1990-..: universitair docent, FEW/Informatica/IM&SE, VU
- 1998-2000: senior researcher, CWI (part-time, in exchange with VU)
- dec 2008 - juli 2011 -- praktijk hoogleraar creative technology / new media (UTwente/EWI)