Enter The Game Changer Formula. While most self-help books offer vague theories wrapped in complicated strategies, The Game Changer Formula takes you by the hand and tells you exactly what to do. Author Rory Prendergast – sailor, Dad, husband, and lifelong entrepreneur – has been in your shoes, feeling lost and directionless, in life, in business, and at sea. After skippering a boat across the Atlantic Ocean in 2008 with no previous sailing experience, and building two multi-million dollar businesses, he developed The Game Changer Formula.