Lee de-Wit originally trained in cognitive neuroscience, but now studies political psychology, and is the Director of the Cambridge Political Psychology Lab. Polarization is a current focus of his work, which is funded by the Templeton World Charity Foundation, the ESRC and a Knowledge Transfer Partnership with MHP group, with whom Lee helps to run the UK MHP Polarization Tracker. Lee is also Head of Undergraduate Education in the Department of Psychology and Deputy Head of the Department of Psychology, and a Fellow at Trinity Hall.

Roger Mosey is the Master of Selwyn College and a Deputy Vice-Chancellor of the University of Cambridge.

Previously, he spent most of his career at the BBC. His final role was as Editorial Director, and previous jobs included being Editor of Today on BBC Radio 4; Controller of BBC Radio 5 Live; Head of BBC Television News; Director of Sport and the BBC Director of London 2012.

Roger was born in Bradford in 1958 and educated at Bradford Grammar School, followed by Wadham College, Oxford. He has written two books about the media – most recently “20 Things That Would Make The News Better” – and is a contributor to publications including the New Statesman, The Spectator, and the Independent.