John Gretton "Jocko" Willink Jr. is a retired United States Navy officer, author, and podcaster. He currently serves as the CEO of Echelon Front, a management consulting firm he co-founded with fellow retired SEAL Leif Babin.
Willink is also the Chairman of the Board for Origin USA and Jocko Fuel. Through Echelon Front, he hosts conferences and seminars focused on leadership skills.