Born in 1948. Staff member for the IISH from 1978 until May 2013.
From 1978-1987 collaborated with the Systematic Catalogue Department, where he classified books and pamphlets relating to the Spanish and Anarchism Department, as well as the International Organizations and General Department.
Beginning with 1987, responsible for collection development for France, Northern Africa, Israel/Palestine, Utopia and Judaica, and from 1994, also for Southern Europe [Spain until 2008]. In 2000 the collection development for international anarchism was included within the previous fields.
Since 1996 has prepared the abstracts of Spanish [until 2008] and Italian books for the Bibliography of the International Review of Social History.
Retired in 2013. As of November 2013 working as a volunteer.
'L'Archivio Luigi Fabbri presso l'IISG di Amsterdam', in: Maurizio Antonioli e Roberto Giulianelli, Da Fabriano a Montevideo. Luigi Fabbri: vita e idee di un intelletuale anarchico e antifascista (Pisa, 2006) 181-194. IISH call number 2008/6494.
'A manuscript found at the Institute', in: Aad Blok et al. A usable collection : essays in honour of Jaap Kloosterman on collecting social history (Amsterdam, 2014), pp. 240-251. IISH call number 2012/3186.
'De Spaanse Burgeroorlog en de Nederlandse vakbeweging. Een globaal overzicht', in Het geheugen van de vakbeweging, VHV Nieuwsbrief Digitaal , 3 (2015), nr 14.
'Pieter Hamelink' , biografische schets in website Nederlandse vrijwiligers in de Spaanse Burgeroorlog, 2017.