Other notable alumni include High Court of Australia judges Stephen Gageler and Geoffrey Nettle, Chief Federal Magistrate John Pascoe, political journalist Stan Grant, human rights lawyer Jennifer Robinson, former Chief of Army David Morrison, Kellogg's CEO John Bryant, former Singapore Airlines CEO Cheong Choong Kong, Indiana University president Michael McRobbie, University of Melbourne Vice-Chancellors Alan Gilbert and Glyn Davis, mathematician John H. Coates, computer programmer Andrew Tridgell, public intellectual Clive Hamilton, journalist Bettina Arndt, and economists John Deeble, Ross Garnaut, Peter Drysdale, John Quiggin and commercial litigator Jozef Maynard Borja Erece, the youngest law graduate in Australian history.