Joe De Sena is the founder and CEO of Spartan Race, Inc. De Sena has been an entrepreneur since his pre-teens. From selling fireworks at age 8, to starting a t-shirt business in high school, to building a multimillion-dollar pool business in college, to creating a Wall Street trading firm, De Sena is a living definition of "entrepreneur." De Sena is the New York Times bestselling author of SPARTAN UP! A Take-No-Prisoners Guide to Overcoming Obstacles and Achieving Peak Performance in Life and...