Complex sentence: Ziauddin Ahmed (Joy) (born 13 September 1973) was the elected President of the University of Melbourne Graduate Student Association (GSA) of Australia for the year 2011.
Split into simpler sentences: Ziauddin Ahmed (Joy) (born 13 September 1973) is a former students' leader at the University of Melbourne. He was the elected President of the University of Melbourne Graduate Student Association (GSA) of Australia for the year 2011.