Complex sentence: Following law school graduation, Townes working with the Onondaga County, New York District Attorney's Office as Assistant district attorney from 1977 to 1983 and was promoted to Senior assistant district attorney from 1983 to 1986 and became Chief assistant district attorney from 1986 to 1987.
Split into simpler sentences: Following law school graduation, Townes worked with the Onondaga County, New York District Attorney's Office as Assistant district attorney from 1977 to 1983. She was promoted to Senior assistant district attorney from 1983 to 1986 and became Chief assistant district attorney from 1986 to 1987.