ヘルシンキ・フィルハーモニー管弦楽団
In 1955, he was appointed Associate Conductor of the Finnish Radio Symphony Orchestra, and served as chief conductor of the Finnish Radio Symphony Orchestra from 1962-71. Berglund became music director of the Helsinki Philharmonic Orchestra in 1975 and held the post for four seasons. He was conductor of the mixed voice choir of the Student Union of the University of Helsinki, The Academic Choral Society (Akateeminen Laulu) from 1959-61.