Plenary speakers
2009 Torun - Terrence Deacon, Jim Hurford, Katie Slocombe, Jordan Zlatev
2011 Torun - John Gowlett, Juliane Kaminski, Adam Kendon, Katie Slocombe
2013 Wroclaw - Josep Call, Robin Dunbar, Peter Gärdenfors, Tomasz Krzeszowski
2015 Rome - Michael Corballis, Dan Dediu, Francesco d'Errico, Daniel Dor, Ian Tattersall, Elisabetta Visalberghi