Jason is currently the National Wikimedian at The National Library of Wales where he has spent the last five years advocating and implementing Open Access with a particular focus on sharing open data on Wikimedia platforms. In this role he has delivered a number of projects to increase availability and engagement with Welsh language open data. Jason has a particular passion for linked open data and has led on the development of several open source software projects which utilise and showcase the library’s growing network of linked open data.