Founder and board member at Vrij Glas, a laboratory for innovation in glass and artist in residence program 2002-present http://www.vrijglas.org
Board member Valkema foundation 2009-
Co-curator of the exhibition 'Glas' at Designhuis Eindhoven 2008-2009
Advisor on glass in architecture, Academie voor bouwkunst 2007
Member of the Ambassadors board, a think tank chaired by Lidewij Edelkoort 2005-present
Board member International advisory committee, Glass Art Society 2005 - present http://www.glassart.org
Consultant for IASPIS, International Artists' Studio Program in Sweden 2003-2004 http://www.iaspis.com
Granted Den stora ateljén (the Grand studio) by Kungliga Konstakademien, the Royal Academy of Fine Arts during 2003-2004 at Cité Internationale des Arts Paris
Co-initiator and co-organizer of the 32nd annual conference of the Glass Art Society in Amsterdam 2002
Hot glass co-project manager in Leerdam 1997
Member blås&knåda 1992-present http://www.blasknada.com
Initiator and project manager of the Amsterdam Chamber Symposium 1986
Integrated Glass System, co-owner and director 1983-2003, IGS is a company assisting glass studios and glass industry worldwide with glass research, furnace building, trouble solving and interim management