Author BiographyPhilipp B. Winterberg M.A., born in Germany, studied communication science, psychology and law. He likes versatility and enjoyed skydiving in Namibia, meditating in Thailand and swimming with sharks and stingrays in Fiji and Polynesia. His apps have many million users. His books are read in languages and countries all over the globe. Visit his Website www.philipp-winterberg.com for apps, books and more.