Complex sentence: Fili worked as a senior designer for Herb Lubalin from 1976-78, and was art director of Pantheon Books from 1978--1989, where she designed over 2000 book jackets.
Split into simpler sentences: Fili worked as a senior designer for Herb Lubalin from 1976-78. She was art director of Pantheon Books from 1978--1989, where she designed over 2000 book jackets.