Larry Ellison

Lore & Background

Ellison was born in New York City to Florence Spellman, who gave him up for adoption after he contracted pneumonia at nine months. He was raised in a Reform Jewish home in Chicago's South Shore by his adoptive parents, Lillian and Louis Ellison. He attended the University of Illinois at Urbana–Champaign as a pre-med student and was named science student of the year, but withdrew after his sophomore year following his adoptive mother's death. He later studied physics and mathematics at the University of Chicago for one term, where he first encountered computer design, then moved to Berkeley, California, to begin a career as a computer programmer.

In 1977, Ellison joined Software Development Laboratories (SDL) with Ed Oates and Bruce Scott, investing $1,200 of the $2,000 startup capital. The company later renamed itself Relational Software, Inc. and then Oracle Systems Corporation. Ellison ran sales despite having strong technical skills. Oracle's early database product was inspired by Edgar F. Codd's paper on relational databases. In 1990, Oracle faced near-bankruptcy after an aggressive marketing strategy led to overstated earnings and class-action lawsuits. Ellison later called it 'an incredible business mistake.'

Ellison led Oracle through competition with Sybase, Informix, and IBM. In 1997, he became a director of Apple Computer, resigning in 2002. In 2005, he settled an insider-trading lawsuit by paying $100 million to charity in Oracle's name. In 2010, Oracle acquired Sun Microsystems, gaining control of the MySQL database. Ellison stepped down as CEO in 2014 but remains CTO and executive chairman. As of early 2026, his net worth was estimated at $201–203 billion, making him the world's sixth-richest person.

Reader's Guide

Larry Ellison's significance lies in his co-founding of Oracle Corporation, which became a leading provider of database software and enterprise technology. His leadership from 1977 to 2014 saw Oracle survive a near-bankruptcy in 1990 and emerge as a dominant player in the relational database market, competing against IBM, Sybase, Informix, and Microsoft. The acquisition of Sun Microsystems in 2010 expanded Oracle's portfolio to include hardware and the MySQL database. Ellison's personal wealth, driven by Oracle stock, briefly made him the world's richest person in September 2025. Beyond Oracle, his investments include ownership of 98% of the Hawaiian island of Lānaʻi, a stake in Tesla worth over $19 billion, and a controlling interest in Paramount Skydance, managed by his son David Ellison. His early life, marked by adoption and a skeptical view of religious dogma, shaped a pragmatic and competitive business approach. Ellison's legacy is that of a transformative figure in enterprise software, whose company's products underpin much of the world's data infrastructure.

Did You Know?

• Ellison was adopted after his biological mother gave him up when he contracted pneumonia at nine months.
• He refused to have a bar mitzvah celebration at age 13, stating he did not believe the dogmas of Judaism were literally true.
• Oracle's first database release in 1979 was called Oracle version 2; there was no version 1.
• Ellison served a second term as CEO of Oracle from 2014 to 2019, after initially stepping down in 2014.