Question: Business for Britain was founded in April 2013 by 500 business leaders including an English businessman and life peer, who was the executive chairman of the British retailer Marks & Spencer, he was also knighted in 2008 for his services to the retail industry, who is this businessman?
Sentence (from "Business for Britain"): Business for Britain is a eurosceptic campaign group which seeks renegotiation of the relationship between the United Kingdom and the European Union.
Relevant evidence: No