Tracey Camilleri is an Associate Fellow at Oxford University's Said Business School and the co-founder, along with Sam Rockey, of Thompson Harrison. Earlier in her career she variously ran her own consulting company, WMC Communications.

Sam Rockey is an Associate Fellow at the Oxford Säid Business School Open programme and was formerly the Global Head ofLeadership Development at the FTSE top-10 company SABMiller, now part of AB InBev.

Robin Dunbar is Professor of Evolutionary Psychology at the University of Oxford. He is a Fellow of the British Academy and of the Royal Anthropological Institute, and an elected Foreign Member of the Finnish Academy of Science and Letters. He has been awarded the Osman Hill Medal and the Huxley Medal. His popular science books include The Human Story, How Many Friends Does One Person Need? and Human Evolution, and have been translated into a dozen languages.