The University of Cambridge Centre for Gender Studies in association with The Guardian Newspaper, kindly supported by Cambridge University Press, hosted 3 major international events at Kings Place in London where international experts engaged directly with the public on topics of gender and bio-medical advances of the 21st Century. The third of these events was entitled 'Transitioning Gender: The Challenges of Radical Technologies' and featured: Professor Judith (Jack) Halberstam, Professor of English, American Studies, Ethnicity and Gender Studies at the University of Southern California; Professor Richard Green, Research Director and Consultant Psychiatrist, Gender Identity Clinic, Charing Cross Hospital, 1994-2006; Dr Jens Scherpe, Faculty of Law, University of Cambridge; and Mr Ben Thom, Vice-President, Press For Change.