Stuart Wheeler was educated at Eton and Christ Church, Oxford and completed National Service in the Welsh Guards. After practising for three years as a barrister, he spent ten years in merchant banking before founding the spread-betting company IG Index in 1974. A tireless campaigner against torture, he is a supporter of, amongst others, Human Rights Watch, Amnesty and Reprieve. In 2001, Stuart gave £5 million to the Conservative party, the largest donation in British political history. He was subsequently UKIP’s treasurer, and was also on the board of Vote Leave. He has three daughters, and divides his time between London and Chilham, Kent.