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**Olaf Janssen**
	librarian and Wikimedian from the Netherlands
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Name in native language	Olaf Daniel Janssen;
Date of birth	20th century; Dongen
Country of citizenship	Kingdom of the Netherlands;
Educated at	Leiden University (astronomy, 1991–);
Occupation	librarian;
Employer	KB, nationale bibliotheek (2001–); Europeana (pioneer, 2008–2010); The European Library (co-founder, 2004–2008);
Member of	Wikibase Stakeholder Group; Wikimedia Nederland;
Field of work	Wikimedia movement; public sector; public domain; GLAM-Wiki project; linked open data; open data; library; GLAM; education;
Native language	Dutch;
Work location	The Hague (2001–);
Notable work	How to Prepare a European Digital Library;
Authority file
	Q66439268; ORCID iD: 0000-0002-9058-9941
	Reasonator; Scholia; Wikidocumentaries; PetScan; statistics; WikiMap; Locator tool; KML file; Search depicted;

Category:Olaf Janssen