
At age 22, South Korean heiress Kim Jung-youn is named the world's youngest female tech billionaire by Forbes 2026. She inherited her $1.5 billion net worth from her late father Kim Jung-ju, founder of gaming company Nexon. Jung-youn and her sister received substantial NXC shares following their father's 2022 death. She resides in Jeju, South Korea and does not actively manage the firm.