 He was Lord Lieutenant of Wiltshire from 2004 to 2012, having previously served as the county's High Sheriff.The son of Barnard Robert Swanton Bush, of Norton St Philip, Somerset, and of Elizabeth Bush (née Weeks), Bush was educated at Monkton Combe School and Balliol College, Oxford, graduating BA and MA.Bush is a career farmer, owning a mixed farm at Heywood in western Wiltshire.