Marcus Sieff, Baron Sieff of Brimpton

Marcus Joseph Sieff, Baron Sieff of Brimpton OBE (Hebrew: מרקוס זיו; 2 July 1913 – 23 February 2001) was a British businessman and chairman of his family company, the retailer Marks & Spencer, from 1972 to 1982. Like his parents, he was also a leading figure in UK Zionism.