Education:

    University of Leiden

        B.Sc. Astronomy 1984

        M.Sc. Astronomy and physics 1988

        Ph.D. Astronomy on thesis: Ultra-Steep Spectrum Radio Sources: Tracers of Distant Galaxies.

Positions:

    Postdoctoral Fellow, Cambridge University, England 1993–1995

    NWO Postdoctoral Fellow, Leiden University 1995–1999

    Staff, Leiden University, 2000 -

    Scientific Director, 2012 -

Other affiliations and honors:

    Local coordinator for EU network Galaxy formation and evolution 1996-2000

    Co-PI of EU funded European Training Network The Physics of the Intergalactic Medium 2000–2004

    PI of DCLA (Development and Commissioning of LOFAR for Astronomy) 2003–

    Distinguished guest, Caltech, Pasadena, USA, 01-06-2006/30-09-2006

Research:

    Cosmology, distant (radio-)galaxies, clusters of galaxies, active galactic nuclei, optical and radio                                                                

        interferometers

Involvement in supervision of 19 Ph.D. projects

Publications:

    Authored or co-authored 159 refereed papers, 21 invited reviews, 153 conference

        contributions, miscellaneous and popular papers, and editor of 4 books

Recent Membership in National and International Committees:

    Member, Panel, ESO programme committee. 1996–1998    

    Member, ESO’s Imaging Survey Working group 1996–1999

    Member, Management Team of NEVEC, the NOVA-ESO VLTI Expertise Centre 1999–2003

    Member, NASA’s Science Working Group for the Terrestrial Planet Finder (TPF) 2000–2006

    Member, LOFAR International science consortium board 2000–2003

    Chair, Panel of Internationaal Studie Fonds of Leiden University Foundation (LISF) 2001–2004

    Member, Terrestrial Planet Science Advisory Team (TESAT) of ESA’s Darwin mission 2002–

    Chair, Dutch Programme Committee. 2002–2005

    Observer, Board of ASTRON 2002–2005

    Chair, NWO selection committee for VENI postdocs 2003

    Chair, LOFAR Astronomy Research Committee (ARC) 2004–2007

    Member, LOFAR Research Management Committee (RMC) 2004–

    Member, space science and astronomy review panel of the Academy of Finland 2005

(Co-)organiser 15 international workshops and conferences