他是位功勳彪炳的退役海軍海豹部隊軍官，也是領導力及管理顧問公司「前線部隊」的共同創辦人，在公司裡他是領導力講師、傳授者，更扮演領導執行導師的角色。喬可在海豹部隊二十年，最開始是被海豹招募的士兵，後來節節晉升成為軍官。在「拉馬迪戰役」（Battle of Ramadi）中，他是海豹三隊「布魯瑟任務小組」（Task Unit Bruiser）的指揮官，負責安排策劃海豹部隊的任務，以協助美國陸軍第1裝甲師第1旅平定這個煙硝瀰漫、飽受戰火蹂躪的城市。「布魯瑟任務小組」成為伊拉克戰爭中，獲得最多表揚的特殊任務單位。喬可自伊拉克凱旋後擔任訓練官，負責美國西海岸所有海豹部隊的訓練事宜。在那裡，他帶頭發展領導力訓練，並給予個別指導與啟發，將戰場上成功表現的經驗，傳授給部隊中未來接棒的領導人才。喬可的軍旅生涯中，曾獲頒銀星勳章、銅星勳章，以及大大小小的個人及團隊獎項。2010年自海軍退伍後，喬可成立了「前線部隊」，傳授他在戰場上學到的領導原則，協助人們領導團隊邁向成功。公司客戶群遍布各種產業及領域，包括個人、團隊、公司及組織。 JOCKO WILLINK is author of Extreme Ownership, a decorated retired Navy SEAL officer, 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. As commander of SEAL Team Three's Task Unit Bruiser during the battle of Ramadi, he orchestrated SEAL operations that helped the "Ready First" Brigade of the US Army's First Armored Division bring stability to the violent, war-torn city. Task Unit Bruiser became the most highly decorated Special Operations Unit of the Iraq War. Jocko returned from Iraq to serve as Officer-in-Charge of training for all West Coast SEAL Teams. There, he spearheaded the development of leadership training and personally instructed and mentored the next generation of SEAL leaders who have continued to perform with great success on the battlefield. During his career, Jocko was awarded the Silver Star, the Bronze Star, and numerous other personal and unit awards. In 2010, Jocko retired from the Navy and launched Echelon Front where he teaches the leadership principles he learned on the battlefield to help others lead and win. Clients include individuals, teams, companies, and organizations across a wide-range of industries and fields. Jocko is also the author of the children's book Way of the Warrior Kid and the New York Times bestseller Discipline Equals Freedom.LEIF BABIN is author of Extreme Ownership, a decorated former Navy SEAL officer, and co-founder of Echelon Front, where he serves as leadership instructor, speaker, and executive coach. A graduate of the U.S. Naval Academy, Leif served thirteen years in the Navy, including nine as a Navy SEAL. As a SEAL platoon commander in SEAL Team Three's Task Unit Bruiser, he planned and led major combat operations in the Battle of Ramadi that helped the "Ready First" Brigade of the US Army's 1st Armored Division bring stability to the violent, war-torn city. Task Unit Bruiser became the most highly decorated special operations unit of the Iraq War. Leif returned from combat as the primary leadership instructor for all officers graduating from the SEAL training pipeline. There, he reshaped SEAL leadership training to better prepare SEAL officers for the immense challenges of combat. During his last tour, Leif served as Operations Officer and Executive Officer at a SEAL Team where he again deployed to Iraq with a Special Operations Task Force. He is the recipient of the Silver Star, two Bronze Stars, and a Purple Heart. In 2011, Leif left active duty and co-founded Echelon Front, a leadership consulting company that helps others build their own high-performance winning teams. Clients include individuals, companies, and organizations across a wide-range of industries. Leif speaks on leadership, U.S. military strategy, and foreign policy matters. His editorials have been published in the Wall Street Journal and he has appeared on a variety of national television news and radio programs.