Complex sentence: He was Senior Vice President of Ogden Entertainment Services from 1985 to 1993 and General Manager of the Rockford MetroCentre from 1979 to 1985.
Split into simpler sentences: He was Senior Vice President of Ogden Entertainment Services from 1985 to 1993. Logan was the General Manager of the Rockford MetroCentre from 1979 to 1985.