Alexander works for The Birley Clubs, the distinguished group of private members’ clubs in London’s Mayfair. Alexander has been working directly with the clubs’ Chairman, Richard Caring, with the Private Office Membership - Membership is by invitation only.
The grandson of the 10th Duke of Marlborough and a distant relative of Winston Churchill, he founded Spencer Churchill Miller Capital with Alan and Gina Miller.
Alexander’s charitable involvement includes work with The Imperial War Museum Foundation, a registered charity which aims to advance the education of the public on the history and impact of war.