85: “Earn Your Oxygen” with Jon Rennie, a former nuclear sub officer turned leadership expert

Jon Rennie is seriously one of the coolest guests I’ve interviewed…if you agree with me that a former U.S. Navy Cold War nuclear submarine officer who had seven deployments is a total badass! So, what does it mean to “earn your oxygen”? Well, on a nuclear sub a newbie is jokingly referred to as a NUB…