Stephen Serjeant is an Open University's Professor of Astronomy, specializing in extragalactic surveys of star-forming galaxies, strong gravitational lensing, infrared astronomy, crowdsourced data mining and machine learning. He leads the Engagement and Communication work package of the H2020 ESCAPE project, building citizen science into the European Open Science Cloud, having led the equivalent work package in the ASTERICS multi-messenger astronomy H2020 project. He has consulted on many BBC television series, including Stargazing Live, Bang Goes The Theory, and the 2021 BBC series on astronomy, Universe. Previously he was Head of Astronomy Discipline at the Open University (2010-2016) and he has worked at the University of Kent and Imperial College, following his doctorate at New College Oxford and first class honours degree from Bristol University.