Lord Rees is the UK’s Astronomer Royal. He is based at Cambridge University where he is a Fellow (and Former Master) of Trinity College. He is a member of the House of Lords and a former President of the Royal Society. His research interests include space exploration, black holes, galaxy formation, the multiverse and prospects for extraterrestrial life. He is co-founder of the Centre for the Study of Existential Risks at Cambridge University (CSER).