PAST SPEAKERS FROM 1991 - 2013
| Year | International | Australian |
| 1991 |
Staffan Normark |
Paul Manning |
| 1992 |
Roy Curtiss |
Roy Robins-Browne |
| 1995 |
Jorge Galan |
John Mattick |
| 1997 |
Chihiro Sasakawa |
Jim Pittard |
| 1999 |
Chris Raetz |
Richard Alm |
| 2001 |
Bonnie Bassler |
Peter Reeves |
| 2003 |
Singh Chhatwal |
Julian Rood |
| 2005 |
Mike Apicella |
Michael Good |
| 2007 |
Klaus Aktories |
Ben Adler |
| 2009 |
Laura Frost |
James Paton |
| 2011 |
Andrew Camilli |
Mark Walker |
| 2013 |
Victor Nizet |
Michael Jennings |