sentences:  Charles Dunstone
  
  Sir Charles William Dunstone, (born 21 November 1964) is the British co-founder and former chairman of mobile phone retailer Carphone Warehouse, former chairman of multinational electrical and telecommunications retailer and services company Dixons Carphone (formed on 7 August 2014 by the merger of Dixons Retail and Carphone Warehouse), and executive chairman of the TalkTalk Group.Dunstone was born in 1964, in the town of Saffron Walden in Essex.