Lawrence Joseph Ellison was born on August 17, 1944, in the Bronx, New York, to an unwed mother and was given to his aunt and uncle for adoption after contracting pneumonia as an infant. ¹⁾

Ellison grew up in a two-bedroom apartment in a working-class neighborhood on the South Side of Chicago with his adoptive parents, Louis and Lillian Ellison. ²⁾

Ellison did not discover that he was adopted until he was twelve years old, and he did not meet his biological mother until he was 48. ³⁾

Ellison attended the University of Illinois at Urbana-Champaign and later the University of Chicago, but dropped out of both institutions without completing a degree. ⁴⁾

While working at Ampex in the 1970s, Ellison helped build a database for the CIA codenamed “Oracle,” which later inspired the name of his own company. ⁵⁾

In 2012, Ellison purchased 98% of the Hawaiian island of Lanai for approximately $300 million, where he subsequently developed wellness and agricultural ventures. ⁶⁾

Ellison co-founded Software Development Laboratories in 1977 with two partners, contributing just $1,200 of his own money to start the business. ⁷⁾

To persuade early customers that their software was already stable, Ellison and his co-founders strategically labeled their first public database release as “Version 2.0.” ⁸⁾

In August 2009, Ellison reduced his base executive salary at Oracle from $1 million down to a nominal one dollar per year. ⁹⁾

The founding idea for Oracle was inspired by a 1970 IBM research paper written by Edgar F. Codd detailing relational database architectures. ¹⁰⁾

Ellison has donated hundreds of millions of dollars toward scientific research studying medical genetics, anti-aging, and longevity. ¹¹⁾

In 2010, Ellison joined The Giving Pledge, publicly committing to donate at least 95% of his vast personal fortune to philanthropic causes. ¹²⁾

Ellison is a licensed pilot who has owned and flown multiple private jet aircraft, including military fighter trainer planes. ¹³⁾

A passionate competitive sailor, Ellison financed Oracle Team USA, which famously won the prestigious America's Cup sailing trophy in 2013. ¹⁴⁾

In 1998, while competing in the Sydney-to-Hobart yacht race, Ellison's vessel Sayonara survived a treacherous ocean storm that tragically claimed the lives of six sailors on other boats. ¹⁵⁾

Ellison stepped down as CEO of Oracle in September 2014 after 37 years at the helm, transitioning into the roles of executive chairman and chief technology officer. ¹⁶⁾

In September 2025, a dramatic stock market surge following an Oracle AI earnings report briefly propelled Ellison's net worth past $390 billion, temporarily making him the world's richest person. ¹⁷⁾

In late 2025, Ellison provided a multi-billion dollar personal guarantee to back Paramount Skydance's hostile takeover bid for Warner Bros. Discovery. ¹⁸⁾

Despite popular myths that he grew up in extreme poverty, Ellison clarified that his family lived in a comfortable, middle-class neighborhood along Lake Michigan. ¹⁹⁾

Ellison stated that his primary goal when starting Oracle was not immense personal wealth, but simply creating a workplace environment where he enjoyed working. ²⁰⁾

In early 2026, tech sector market fluctuations caused Ellison's net worth to drop by an unprecedented $49 billion over the course of a single month. ²¹⁾

At Oracle OpenWorld 2018, Ellison introduced Oracle's second-generation cloud infrastructure, which isolated customer code on separate physical hardware to prevent cyberattacks. ²²⁾

During a keynote demonstration, Ellison used his iPhone to submit a $418 restaurant receipt via Slack, which was humorously rejected by Oracle's automated expense application for being too expensive. ²³⁾

Ellison advocated for AI-driven “autonomous robots” in cloud security, arguing that automated software is necessary to counter sophisticated, machine-based cyber threats. ²⁴⁾

Ellison developed a deep appreciation for traditional Japanese architecture and spent over $100 million constructing a Japanese-style estate in Woodside, California. ²⁵⁾

Ellison invested heavily in medical research investigating hormones like DHEA, expressing a lifelong philosophical desire to combat the aging process. ²⁶⁾

The surname Ellison was adopted by his adoptive father, Louis Ellison, who chose the name upon arriving at Ellis Island as an immigrant entering the United States. ²⁷⁾

In 2009, Ellison led Oracle to acquire Sun Microsystems for $7.4 billion, gaining control of key software assets including Java and the MySQL database engine. ²⁸⁾

Ellison was among the earliest Silicon Valley tech leaders to fund biological life-extension studies, donating over $330 million to age-related disease research. ²⁹⁾

In late 2025, surging enterprise demand for cloud AI infrastructure pushed Ellison's net worth past $390 billion as Oracle shares gained 40% in a single day. ³⁰⁾

In a 2013 national television interview, Ellison stirred public debate by stating that government surveillance programs like NSA data collection were “essential” to security. ³¹⁾

Analysis of executive compensation revealed that Ellison was the highest-paid chief executive officer of a public company during the 2000s, earning $1.84 billion over ten years. ³²⁾

Profiles of Ellison frequently highlight his fierce competitive drive, with Ellison once declaring in an interview that he is “addicted to winning.” ³³⁾

In 2021, Ellison expanded his luxury hospitality portfolio by purchasing the waterfront Hyatt Regency Lake Tahoe Resort, Spa and Casino for $345 million. ³⁴⁾

Unsealed court documents from a shareholder lawsuit revealed that Ellison's personal accountant wrote emails warning him about overextending his multi-billion dollar credit lines. ³⁵⁾

In September 2025, a massive $101 billion single-day gain in Oracle stock value briefly vaulted Ellison into the top spot on global billionaire wealth rankings. ³⁶⁾

Ellison's daughter Megan founded Annapurna Pictures, producing critically acclaimed films like “Zero Dark Thirty,” “American Hustle,” and “Her.” ³⁷⁾

Ellison's son David founded Skydance Media, co-financing blockbuster film franchises such as “Top Gun: Maverick,” “Mission: Impossible,” and “Star Trek.” ³⁸⁾

Ellison made a cameo appearance as himself in the 2010 blockbuster movie “Iron Man 2,” greeting Tony Stark outside a Stark Expo event. ³⁹⁾

Financial analyses tracking global wealth accumulation regularly rank Ellison among a handful of tech founders positioned to reach trillionaire status within the decade. ⁴⁰⁾

Despite his prominence in the technology sector, Ellison posted a tweet on Twitter only once in June 2012 before abandoning active social media usage. ⁴¹⁾

Financial market commentators cited Oracle's dramatic 2025 stock valuation surge as a primary indicator of intense investor focus on artificial intelligence infrastructure. ⁴²⁾

The Ellison family provided approximately $6 billion in financial backing to support David Ellison's Skydance Media in acquiring Paramount Global. ⁴³⁾

In July 2026, a Paramount shareholder derivative lawsuit named Larry and David Ellison as defendants regarding regulatory agreements surrounding entertainment acquisitions. ⁴⁴⁾

Following the merger of Paramount and Skydance Media, the Ellison family retained 100% voting control over the combined entertainment enterprise. ⁴⁵⁾