JOCKO WILLINK is a decorated retired Navy SEAL officer, author of the book Extreme Ownership: How U.S. Navy SEALs Lead and Win, and co-founder of Echelon Front, where he is a leadership instructor, speaker, and executive coach. Jocko spent 20 years in the U.S. Navy SEAL Teams, starting as an enlisted SEAL and rising through the ranks to become a SEAL officer.