Director of The University of Manchester’s Jodrell Bank Observatory and a Reader in Astrophysics. His research concentrates on the study of stellar explosions using a wide range of telescopes around the world and in space. He has published more than 100 research papers. Alongside his research, he teaches astrophysics to undergraduates in the University’s School of Physics & Astronomy. He is very active in public engagement with science, appearing regularly in the media, and is Scientific Director of the Jodrell Bank Discovery Centre.