Dimensions
148 x 211 x 31mm
David Hopper is a marketing strategist and head of H2 Partners, whose clients include Bollinger, Nokia and Standard Life. Charles Vallance is a founding partner and head of advertising agency VCCP, and has helped to build some of the biggest brands of the last 20 years, including O2, ING Direct, Land Rover, Heineken and The National Lottery.