

Richard Koch, zelf een succesvol ondernemer, is de auteur van de internationale bestseller 'Het 80/20-principe'.
Meer over Richard KochUnreasonable Success and How to Achieve It
Unlocking the Nine Secrets of People Who Changed the World
Samenvatting
Bestselling author Richard Koch shares the secret map to success, revealing the attitudes and strategies that can create world-changing results in all walks of life.