Major General Sir Sebastian John Lechmere Roberts, KCVO, OBE (7 January 1954 – 9 March 2023) was a senior British Army officer who served as the Senior Army Representative at the Royal College of Defence Studies.
Educated at St Philip's School, Ampleforth College and Balliol College, Oxford, Roberts was commissioned into the Irish Guards in 1977.
[1] Roberts went on serve as commanding officer of the 1st Battalion of the Irish Guards in London and Northern Ireland.
[1] He became the Senior Army Representative at the Royal College of Defence Studies in 2007,[1] and retired in 2010.
[2] Roberts also served as Colonel of the Irish Guards from 2008 to 2011,[3] being succeeded by Prince William on 10 February 2011.