Biography
Jay Y. Lee is among the world's most closely watched billionaires from SOUTH KOREA, with an estimated fortune of $34.2B. The bulk of Jay Y. Lee's wealth comes from Samsung, closely tied to Samsung. Jay Y. Lee is the Executive Chairman of Samsung Electronics and the leader of South Korea's largest conglomerate. Born on June 23, 1968, Lee's source of wealth stems from Samsung. He began his career at Samsung in 1991, holding various positions within the company. In December 2009, he became the chief operating officer of Samsung Electronics, and in December 2012, he was appointed as the vice chairman of Samsung. In 2014, Forbes named him the 35th most powerful person in the world. Lee's leadership has been marked by both successes and legal challenges. In 2024, he was acquitted of stock manipulation charges. As of March 2026, his estimated net worth is $27.0 billion, positioning him as the richest person in Korea. Key career milestones include Began Career at Samsung (1991); Chief Operating Officer of Samsung Electronics (2009); Vice Chairman of Samsung (2012); Executive Chairman of Samsung Electronics (2022). This profile documents verified holdings, career milestones, and multi-year net worth history drawn from Forbes rankings, company filings where available, and our editorial methodology. Readers use it to understand how public markets, private company stakes, and major business bets shape one of the largest personal fortunes on record. Wealth estimates move with stock prices, funding rounds, and disclosed transactions—figures on this page are research estimates, not cash balances. We publish year-by-year net worth history when verified data exists, link to primary sources, and update profiles when Forbes Real-Time Billionaires or major filings change the picture materially. For investors and researchers, the most useful reading pairs the headline number with ownership structure, geography, sector exposure, and the multi-year history chart on this page—especially during volatile markets when single-day moves can shift rankings without any operational change at the underlying companies.