Rainer Zitelmann

CNBC Make It

Rainer Zitelmann is an entrepreneur, investor and author of 23 books, including "Dare to Be Different and Grow Rich: Secrets of Self-Made People" and "The Wealth Elite: A Groundbreaking Study of the Psychology of the Super Rich." He holds doctorates in History and Sociology. Previously, Rainer worked as a historian at the Freie Universität Berlin.