Joe De Sena is the CEO and founder of Spartan and the Death Race. Wikipedia
Source: "Loved [this book]. Read often." - Joe De Sena
Source: "Puts everything in a proper frame of reference for me. What that guy is going through, it like puts your day in perspective." - Joe De Sena
Source: One of Joe De Sena's most-gifted or recommended books.
Source: "Really helped me in business." - Joe De Sena