Robert Greene is an American author and speaker known for his books on strategy, power and seduction. He has written five international bestsellers: The 48 Laws of Power, The Art of Seduction, The 33 Strategies of War, The 50th Law and Mastery. 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.