James Proudfoot received his Doctor of Philosophy from Oxford University, studying proton structure in deep-inelastic muon-proton scattering. As a physicist at the Rutherford Appleton Laboratory, he studied electroweak interactions and hadron production in electron-positron scattering at DESY until 1982 when he joined Argonne and became a member of the CDF collaboration studying proton-antiproton interactions at the Fermilab Tevatron Collider.
Among his many roles within the CDF Collaboration, he convened the electroweak physics group for two years and spent two years as Associate Department Head in the CDF Operations Department. With the plan to construct the Superconducting Super Collider (SSC), he led the team to design the barrel electromagnetic calorimeter for the SDC.
In 1992, following the cancellation of the SSC, James joined the ATLAS experiment at CERN for which he has been responsible for elements of the design, construction, and operation for the central hadronic calorimeter. Currently he is leader of the ATLAS group in the Division, conducting experiments searching a deeper understanding of matter and the forces that control our universe at the Large Hadron Collider (LHC) at CERN, Switzerland. His physics research at the LHC focuses on physics signatures making use of calorimeters to measure electrons and jets and to infer the presence of neutrinos in the final state.