MOD Chief Scientific Adviser (Nuclear)

Professor Robin Grimes FRS FREng


Robin Grimes was appointed as the Ministry of Defence Chief Scientific Adviser on nuclear science and technology matters in October 2017. Robin was the Foreign & Commonwealth Office Chief Scientific Adviser from February 2013 to August 2018. He is currently Professor of Materials Physics at Imperial College. His research focuses on the use of high performance computing techniques to understand the behaviour of materials for energy applications.

MOD Chief Scientific Adviser (Nuclear)

The Chief Scientific Adviser (CSA) Nuclear is the Ministry of Defence’s (MOD’s) principal adviser on nuclear science and technology matters. The CSA (Nuclear) reports to the Permanent Secretary, and is a member of the Investment Approvals Committee and Defence Nuclear Executive Board.


MOD Chief Scientific Adviser (Nuclear) is responsible for:

  • ownership of the MOD’s nuclear science and technology programme
  • advising ministers and senior officials on nuclear science and engineering matters
  • international strategic nuclear science and technology collaboration
  • support to nuclear procurement activities

The MOD CSA role is held by Simon Cholerton.

Previous roles in government

  1. FCO Chief Scientific Adviser

    • 2013 to 2018


  1. UK statement to the 2014 International Atomic Energy Agency General Conference