Yoo Jung-hyun is a South Korean businesswoman, the billionaire heir to Nexon Co., Ltd. (TYO: 3659), the global video game developer (famous for MapleStory and KartRider). Her colossal wealth is inherited, tied to the industrial and technology empire founded by her late husband, Kim Jung-ju (d. 2022), in 1994.

Yoo's career is defined by generational stewardship and fiduciary oversight of the complex family assets. She and her daughters control the family's majority stake in the private holding company, NXC, which in turn controls the publicly traded Nexon.

• Nexon Co., Ltd. (Family Heir & Shareholder): The foundational source of her wealth, tied to the global dominance of online gaming and digital entertainment.
• NXC (Controlling Shareholder): The private holding company that owns the majority stake in Nexon.
• Gaming Pioneer: Her fortune is tied to the long-term, stable profitability of the global gaming and entertainment sector (pioneering the free-to-play MMO model).
• Family Governance: She and her two daughters control the vast family empire.

Yoo Jung-hyun's structural role is centered on fiduciary stewardship of her inherited assets, ensuring the long-term, stable management of the Nexon Group legacy. Her late husband, Kim Jung-ju, was a legendary entrepreneur credited with pioneering the South Korean online gaming industry. Her structural contribution is essential to providing foundational stability to the post-succession management of one of Korea's largest technology groups.

Her wealth is secured by the colossal, long-term, stable profitability of the global gaming and technology sectors.

Yoo Jung-hyun's social impact stems from Nexon's role in creating culturally significant video game franchises and employing thousands in the technology sector. The family's philanthropic efforts support major initiatives focused on children's hospitals and educational programs through the Nexon Foundation, continuing the founders' commitment to social welfare.

Her personal philanthropy supports various community and educational initiatives.

Yoo Jung-hyun maintains the professional, composed style of a corporate executive. Her attire is consistently formal and high-quality, favoring tailored suits. Her aesthetic reflects serious authority and stability, typical of a leader in the global technology sector.

Residing in Seoul, South Korea, her luxury is the immense security and financial reward derived from her multi-billion dollar fortune. Her life is dedicated to corporate governance, strategic investment, and philanthropy.