Complex sentence: During eighteen of those years, he also served as an adjunct full professor at Westchester County's Manhattanville College, directing the poetry and screenwriting programs, and continues his affiliation with that institution through a graduate poetry writing course he offers online.
Split into simpler sentences: During eighteen of those years, he also served as an adjunct full professor at Westchester County's Manhattanville College, directing the poetry and screenwriting programs. He continues his affiliation with that institution through a graduate poetry writing course he offers online.