Justin Wright is the co-author of best-selling business book, ‘Stretchonomics’ and co-founder at consultancy Mangrove. A builder’s son, he started out as a money broker before deciding that City life was not for him – he describes his first day as one of the most daunting of his life. He later studied psychology before joining Proctor and Gamble. His agency looks after the likes of Diageo, Unilever, and BP. Justin admires great names from the world of sport, saying we should not underestimate the power of enjoying “something simple”.