sentences:  Exiting the British Army with the rank of colonel, he returned to Marks & Spencer, but was asked in 1948 by the first Prime Minister of Israel, David Ben-Gurion, to become an adviser on transportation and supplies to the Israeli Defence ministry.Sieff joined the Israel Defense Forces and helped co-ordinate Marks & Spencer goods and finances to support the new state.Sieff returned to Britain in 1951 to take over the Marks & Spencer food department.