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 "Air 500"): At the time, Air 500 was an exceptional success story operating 3 Super Beech 18 aircraft, 2 Cessna 310s, 1 DC3, 1 Super DC(C117), 1 Piper Cheyenne and 1 Mitsubishi MU2 Marquise.
Relevant evidence: No