Manuel Tello Baurraud (1 November 1898 – 27 November 1971) was a Mexican diplomat who represented his country at the League of Nations (1938–41) and served twice as Secretary of Foreign Affairs; first in the cabinet of President Miguel Alemán Valdés (1951–52) and years later in the cabinet of Adolfo López Mateos (1958–64). In the interim he served as ambassador of Mexico to the United States (1952–58). 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?
Answer:
Office Holder