Israel Moses Sieff, Baron Sieff was an English businessman and Zionist who was chairman of the British retailer Marks & Spencer from 1964 to 1967.
- Occupation
- entrepreneur, politician
- Position held
- member of the House of Lords
- Citizenship
- United Kingdom
- Born
- May 4, 1889
- Died
- August 23, 1972, February 14, 1972