Q:Rosalind Carol Ros Scott Baroness Scott of Needham Market (born 10 August 1957) is a British politician who is a member of the House of Lords. Baroness Scott was president of the Liberal Democrats between 1 January 2009 and 31 December 2010 and was succeeded by Tim Farron. 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