UK supermarket group Sainsbury's has named trading director Mike Coupe as an executive director.

The retailer also names Mary Harris as a non-executive director. Both Coupe and Harris will join the board on 1 August.

Harris is currently a non-executive director of mail company TNT and has held previous executive roles at McKinsey and PepsiCo.

Coupe has 20 years of retail experience, having worked for Tesco, Asda and Iceland. He is trading director at Sainsbury's and has been on the company's operating board since 2004.