Booker joins Centrica from Rentokil Initial, where he was chief marketing, innovation and strategy officer.

Prior to that, he was chief executive at Selinon and held chief marketing officer roles at O2 and Dixons Carphone in the UK and Electronic Arts in the US.

Centrica is the parent company of energy brands including British Gas and Centrica Business Solutions.

In his new role, Gray will help to strengthen the voice of the customer across Centrica and drive growth.

Chris O’Shea, group chief executive at Centrica, said: “Gary’s extensive leadership experience in marketing and consumer roles means he’s very well placed to challenge us to think differently about the experience we create for our customers and how we get the most from our brands.”