Jocko Willink led SEAL Team 3’s Task Unit Bruiser in Iraq during the 2006 Battle of Ramadi, before retiring from the military as a commander in 2010 after 20 years of service. Since then, he's earned his keep as a motivational speaker, host of a self-named podcast, a nonfiction author whose third book, Discipline Equals Freedom, went on sale Oct. 17.
