Keith Ferrazzi is the founder and CEO of the training and con­sulting company Ferrazzi Greenlight and a contributor to Inc., the Wall Street Journal, and Harvard Business Review. Earlier in his career, he was the CMO of Deloitte Consulting and of Starwood Hotels and Resorts, and the CEO of YaYa Media. He lives in Los Angeles.

Tahl Raz has written for Inc., the Jerusalem Post, the San Francisco Chronicle, and GQ. Raz lives in New York City.