Stephan Aarstol is the author of The Five-Hour Workday: Live Differently, Unlock Productivity, and Find Happiness. He is CEO and founder of Tower, a holistic beach-lifestyle company, which includes Tower Paddle Boards, Tower Magazine, SunglassesByTower.com, and a direct-to-consumer surf-and beach-lifestyle company at TowerMade.com. For more information, please visit www.fivehourworkday.com and www.towerpaddleboards.com and connect with Stephan on Twitter, @stephan.aarstol.