40. Chris Guillebeau: From idea to income in 27 days

Chris Guillebeau is an entrepreneur, explorer, and New York Times-bestselling author. During a lifetime of self-employment, Guillebeau visited every country in the world (193 in total) before his 35th birthday.  He is the author of seven books, including The Art of Non-Conformity, The $100 Startup, The Happiness of Pursuit, Side Hustle and The Money Tree. Credits Music by Jeff Kaale (1, 2, 3, 4)