Ray Dalio is a legendary investor and founder of Bridgewater Associates. He has written two books, "Principles" and "Principles for Dealing with a Changing World Order." In the latter, Dalio applies the lens of history to the current geopolitics of the US and China. He discusses how the rise and fall of vampires can be used to understand the current world order. Dalio is a strong advocate of effective altruism and believes that philanthropy should be done in an evidence-backed, data-driven way. He is a fan of the work done by Give Well, an organization that researches and recommends only the most effective charities. Dalio believes that nutritional health, effective charities, and wisdom are all important aspects of a productive and healthy life. He encourages people to try Athletic Greens, an all-in-one daily drink that he swears by, and to check out the online courses offered by Masterclass.