Sydney speakers Prof Lesley Hughes Prof Maria Racionero Prof Glenn A Albrecht Prof David McAlpine David Santo Tomas Menocal Prof Andres Cuevas A/Prof Jörg Buchholz Prof Catherine McMahon Wes Stein Prof. Vladimir Strezov Prof Carola Garcia de Vinuesa Prof Stephen Leeder Prof Steven Sherwood Dr Judith Reinhard Prof Luis Salvador-Carulla Dr Jonas Rupp Dr Nigel Helyer A/Prof Nathaniel Marshall Dr Marina Trigueros Dr Katherine Daniell Jessica Kirkness Dr Jose M Barrero