Jeff Tseng is a Professor of Physics and a Tutorial Fellow at St Edmund Hall. He has served as Director of Graduate Studies for Particle Physics, Undergraduate Admissions Coordinator for Physics, and as an elected member of the University's Audit and Scrutiny Committee. His College roles have included Chapel Fellow, Senior Clubs Treasurer, and Dean. His main research interest lies in neutrino physics, in particular those originating in collapsing stars. He is a member of the SNO+ (Canada) and Hyper-Kamiokande (Japan) experiments, the Vera C Rubin Observatory (Chile), and the Supernova Neutrino Early Warning System (SNEWS). He is a past member of the CDF (Fermilab) and ATLAS (CERN) experiments, where the top quark and Higgs boson were co-discovered. He obtained his BS in Physics from Caltech and PhD from The Johns Hopkins University, followed by postdoctoral research at MIT, before joining Oxford.