David currently leads the Supply Chain Centre Of Excellence for Diageo, the worlds No 1 Alcohol Beverage Company with brands including Johnnie Walker, Smirnoff, Guinness, Tanqueray and Baileys. External to Diageo David is Chairman of an Enterprise Centre housing over 400 people in c 40 companies, that provides incubation an business support services to entrepreneurs and start-up companies mainly in the service and digital space.