Jared Isaacman (born February 11, 1983) is an American entrepreneur, pilot, philanthropist, and commercial astronaut. He is the founder, CEO of Draken International, a private air force provider and Shift4 Payments, a payment processor. As of September 2022, his estimated net worth is US$1.5 billion. Isaacman was the commander of Inspiration4, a private spaceflight using SpaceX's Crew Dragon Resilience, launched from Kennedy Space Center in Florida on September 16, 2021. The crew returned to Earth on September 18, 2021, after orbiting at 585 km (364 mi) in altitude. The mission was part of a fundraiser for St. Jude Children's Research Hospital, to which Isaacman pledged to donate $100 million. Isaacman will command the Polaris Dawn mission, the first private spaceflight in a series of missions named the Polaris Program. Isaacman is currently undergoing commercial astronaut training at SpaceX.