Professor of Astrophysics at the University of Oxford, Citizen Science Lead and co-presenter of BBC Sky At Night, Chris describes himself as a distractible astronomer who specialises in galaxy formation, machine learning including anomaly detection and occasional planet hunting. These projects usually work with the Zooniverse citizen science platform which engages with more than two million volunteers around the world. He is a member of the collaboration building the Vera Rubin Observatory which will power the next astronomical revolution.