Boys has worked at the Treasury, the Office of Fair Trading, the former Department of Energy, was seconded to the British National Oil Corporation, chief executive of the Competition Commission, the first deputy director general at the office of Electricity Regulation and head of personnel at the Department of Trade and Industry.
- Member selection panel, Network Rail
- Consultant on EC Workshop Public Administration International, March 2006. Given "unconditional approval".
- Two new council members appointed to Competition Commission Gov.uk, 10 December 2012, accessed 10 November 2014
- Ninth Report 2006-2008 Advisory Committee on Business Appointments, accessed 10 November 2014