Complex sentence: After 16 years as a vice-chancellor of three universities and reaching the age of 66, Schwartz retired, leaving the role in September 2012 after 6 years at Macquarie and as the university's shortest-serving Vice Chancellor.
Split into simpler sentences: After 16 years as a vice-chancellor of three universities and reaching the age of 66, Schwartz will retire. He leaves the role after 6 years at Macquarie and is the university's shortest serving Vice Chancellor.