Aubrey Marcus is writer, entrepreneur, and adventurer. Some of his writings and experiences can be found on his website, WarriorPoet.us, as well as links to his latest venture, Onnit Labs.

Eddie Brill is an American comedian and comedy writer. He is best known for his work as the warm-up comedian for the "Late Show with David Letterman" for over 20 years and for his performance at top comedy clubs around the world.