Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Torstein Dahle - Torstein Dahle (born 20 February 1947) is a Norwegian politician and economist. He works at the Bergen University College and represents Red Party in the city council of Bergen. Dahle was born in Oslo.At age 14 Dahle joined Lambertseter Youth Conservatives (Unge Hyre). He attended Oslo Cathedral School and Oslo Commerce School. After moving to Bergen in 1966 he was radicalized and joined AKP(m-l) in the early 1970s.
A:
Office Holder