Sir Philip Nigel Ross Green is a British businessman who was the chairman of the retail company Arcadia Group. He owned the high street clothing retailers Topshop, Topman, and Miss Selfridge from 2002 to 2020. In May 2023, his net worth was estimated by the Sunday Times Rich List to be £910 million.

Arcadia Group Ltd was a British multinational retailing company headquartered in London, England. It was best known for being the previous parent company of British Home Stores (BHS), Burton, Dorothy Perkins, Debenhams, Evans, Miss Selfridge, Topman, Topshop, Wallis and Warehouse. At its peak, the group had more than 2,500 outlets in the UK and concessions in UK department stores and several hundred franchises operated internationally.