Complex sentence: Willoch served as Governor ("Fylkesmann") of Oslo and Akershus from 1989 to 1998, and from 1998 to 2000 he was chairman of NRK, the Norwegian Broadcasting Corporation.
Split into simpler sentences: Willoch served as county governor ("fylkesmann") of Oslo and Akershus from 1989 to 1998. From 1998 to 2000 he was chairman of the Norwegian Broadcasting Corporation.