Richard Koch is the author of more than twenty acclaimed books, including The 80/20 Principle, which has sold more than a million copies and been published in approximately forty languages. He is also a successful entrepreneur and investor whose ventures have included Filofax, Plymouth Gin, Belgo restaurants, and Betfair.
Roger Davis has worked for over twenty years in the audio industry as an actor, narrator, director, producer, and editor. With a background in both performance and professional studio recording, he is able to operate successfully on both sides of the mixing desk, and has over 500 audiobook credits to his name.