Complex sentence: He transferred to Montreal to care for an ailing parent, becoming co-director of the Ignatian Centre, Montreal, and a visiting professor at Concordia University where he taught courses in the history of spirituality and social ethics.
Split into simpler sentences: He transferred to Montreal to care for an ailing parent, becoming co-director of the Ignatian Centre, Montreal, and Visiting Professor at Concordia University. At Concordia, he taught courses in the history of spirituality and social ethics.