Jillian van Turnhout (born 29 March 1968) is an Irish children's rights activist and a member of Seanad Eireann.She has previously been Chief Commissioner of the Irish Girl Guides (IGG); President of the National Youth Council of Ireland (NYCI) and is a member of the National Youth Work Advisory Committee. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
A:
Office Holder