Parker began working at
CERN as a summer student, and was a permanent member of staff from 1982 until 1989. Parker was heavily involved in the
ATLAS experiment at the CERN
Large Hadron Collider, which was responsible for the discovery of the
Higgs boson in 2012. He has continued his association with CERN since, and has sat on numerous committees and advisory panels. Parker began working at the
University of Cambridge in 1989, becoming a fellow of
Peterhouse. He was appointed Professor of Physics in 2004 and became head of the
Cavendish Laboratory, the university's department of physics, in 2013. He remained in this post until 2023, when he was succeeded by
Mete Atatüre. In addition to his work with CERN and with the Cavendish Laboratory, Parker has worked with the
Addenbrooke's Hospital Department of Oncology on applying particle physics software solutions to radiotherapy. In 2023, it was announced that Parker was to succeed
Bridget Kendall as Master of
Peterhouse, Cambridge. He was formally appointed Master in July 2023. ==References==