Jared Taylor Isaacman is an American billionaire entrepreneur, pilot, and commercial astronaut. He is the founder and chairman of Shift4 Payments, a payment processor, and the founder of Draken International, which provides adversary training to the U.S., British, and other NATO air forces. Through his leadership in private spaceflight, Isaacman has been credited with advancing competition in the space industry and reducing reliance on government programs. As of May 2025, his estimated net worth is US$1.4 billion.