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