Thomas Simon Alexander (born 10 March 1959) is a British businessman and former chief executive of Orange and T-Mobile.
Alexander attended Millfield, the independent school, as a day scholar from 1971-75.
Alexander set up and founded Virgin Mobile, which was launched in November 1999 with his colleague from BT Cellnet, Jo Steel. He left Virgin Mobile in 2006.
In 2007 Alexander became CEO of Orange UK and in September 2009 he was informed by his parent company of a plan (in which he was not initially involved) to merge Orange UK and T-Mobile UK to form EE Limited. He became the first Chief Executive of EE.
Alexander is twice married and has two children.