From 1993 to 1999 he was director of research for Micro Total Analysis Systems ( μ {\displaystyle \mu } TAS, i.e. miniaturized systems for chemical analysis) and Miniaturized Chemical Systems (MiCS) at the Institute for Nanotechnology (MESA+) at the University of Twente.
1993 bis 1999 war er Forschungsdirektor für miniaturisierte Systeme zur chemischen Analyse (Micro Total Analysis Systems, μ {\displaystyle \mu } TAS) und chemische Systeme (Miniaturized Chemical Systems, MiCS) am Institut für Nanotechnologie (MESA) der Universität Twente.