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