Biography
Lyndal Stephens Greth & family is among the world's most closely watched billionaires from UNITED STATES, with an estimated fortune of $33.1B. The bulk of Lyndal Stephens Greth & family's wealth comes from Oil & gas, closely tied to Oil & gas. Lyndal Stephens Greth, born in Midland, Texas, is a prominent figure in the U.S. oil and gas industry. As the daughter of Autry Stephens, the founder of Endeavor Energy Resources, Greth's career has been deeply rooted in the energy sector. Her journey began in law, earning a Juris Doctor degree from Baylor Law School, and a Bachelor's degree from Southern Methodist University. Greth transitioned from a legal career to join Endeavor, where she brought her legal and strategic expertise to the company's operations. She became a member of the Board of Managers in 2013, working closely with her father on company strategy. After Autry Stephens passed away in August 2024, she took on the role of Chairwoman. Greth's leadership was critical in the $26 billion sale of Endeavor Energy Resources to Diamondback Energy, solidifying her family's position among the wealthiest in the U.S. As of 2024, her net worth is estimated to be $30.5 billion, with the wealth source primarily being oil & gas. This has placed her among the top billionaires worldwide, demonstrating her significant achievements within the energy industry. Key career milestones include Marriage (2009); Board of Managers (2013); Chairwoman (2024); Endeavor Acquisition (2024). 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.