Murphy will join the supermarket giant on 1 September as a non-executive director, replacing John Allan as chair of the board.

The former director-general of the CBI will become a non-executive director of the company in September this year.

Silver will join the board as a NED in June, and should succeed John Allan as non-executive chair in September this year.

Jasi Halai will join the board of the housebuilding group as an independent NED at the beginning of next year.

Caroline Silver, also a non-executive director at BUPA, joins the supermarket retail giant at the beginning of next month.

Our latest podcast features John Allan, one of the UK’s top corporate leaders, on NEDs’ responsibilities and priorities in a crisis.

Tesco chair John Allan talks about the importance of non-executive directors, their responsibilities and priorities at this critical time.