Stephen McCall Founding Partner, Cislunar International Stephen McCall is a recognized leader in defense, aerospace, and government affairs, with over 25 years of experience. As former Head of Government Affairs at Firefly Aerospace and senior staffer in the U.S. Congress, he played a key role in shaping U.S. space and defense policy, including the creation of the U.S. Space Force. At Firefly, he led an $800M+ portfolio, securing major funding wins such as $8.2M from the Texas Space Commission and millions in congressional appropriations for programs like Tactically Responsive Space. Named a Top Lobbyist in 2023, Stephen now operates from Spain, helping bridge European innovation with U.S. defense and space markets. He is also an Off-Broadway producer, best-selling author, and proud father of two adopted sons—proving that professional success and personal purpose can go hand in hand.