Rose, former CEO and chairman of Marks & Spencer, is due to retire from online grocer Ocado in May.

EG Group is jointly owned by the Issa brothers, Zuber and Mohsin, and by private equity firm TDR Capital.

Separate from their investment in EG Group, the Issa brothers and TDR agreed last October to buy a majority stake in supermarket group Asda from Walmart.

(Reporting by James Davey; editing by Jason Neely)