LONDON (Reuters) - Justin King, the former chief executive of British supermarket group Sainsbury's <SBRY.L>, is to re-join Marks & Spencer <MKS.L> as a non-executive director, the clothing and food retailer said on Tuesday.
King led Sainsbury's revival before stepping down in 2014. He is also a former head of food at M&S and has previously worked for Asda.
He will take up his new role at M&S on Jan. 1.
(Reporting by James Davey; editing by Sarah Young)