Complex sentence: After nineteen years at the University of Western Ontario, including three years as chair, he moved to Santa Barbara in 1988, as part of the establishment of the National Center for Georgraphic Information and Analysis, which he has directed for nearly 20 years.
Split into simpler sentences: After nineteen years at the University of Western Ontario, including three years as chair. He moved to Santa Barbara in 1988, as part of the establishment of the National Center for Georgraphic Information and Analysis, which he has directed for nearly 20 years.