DG'07 chairs: Matt Duckham (University of Melbourne, Australia), Arie Croitoru (University of Alberta, Canada), Peggy Agouris (George Mason University, USA)

SUM'07 chairs: Lars Kulik (University of Melbourne, Australia), Egemen Tanin (University of Melbourne, Australia) 

Local chair: Patrick Laube (University of Melbourne, Australia)

Mike Batty, University College London, UK
Alistair Edwardes, University of Zurich, CH
Max Egenhofer, University of Maine, USA
Mark Gahegan, Pennsylvania State University, USA
Georg Gartner, Vienna University of Technology, AT
Joachim Gudmundsson, National ICT Australia, AU
Vana Kalogeraki, University of California Riverside, USA
Kim Lowell, University of Melbourne, AU
Marimuthu Palaniswami, University of Melbourne, AU
Dieter Pfoser, Computer Technology Institute, GR
Femke Reitsma, University of Edinburgh, UK
Cyrus Shahabi, University of Southern California, USA
Marc van Kreveld, Utrecht University, NL
Tim Wark, CSIRO ICT, AU
Stephan Winter, University of Melbourne, AU
Ouri E. Wolfson, University of Illinois, USA
Mike Worboys, University of Maine, USA
Xiaofang Zhou, University of Queensland, AU