CNBC.COMChris Guillebeau
Contributor, CNBC Make ItChris Guillebeau is the New York Times bestselling author of "The $100 Startup," "Side Hustle," and "The Happiness of Pursuit," which have sold over one million copies worldwide. During a lifetime of self-employment that included a four-year commitment as a volunteer executive in West Africa, he visited every country in the world (193 in total) before his 35th birthday.