Larry Ellison

Lore & Background

Ellison was born in New York City to Florence Spellman, who is Jewish, and an Italian-American U.S. Army Air Corps pilot. After contracting pneumonia at nine months, he was given to his aunt and uncle for adoption. He was raised in a Reform Jewish home in Chicago's South Shore but remained a religious skeptic, refusing a bar mitzvah at age 13. He attended the University of Illinois at Urbana–Champaign as a pre-med student, 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, Ed Oates, and Bruce Scott joined Software Development Laboratories (SDL), founded by his former Ampex supervisor Bob Miner. They invested $2,000, of which $1,200 was Ellison's. The company renamed itself Relational Software, Inc. in 1979 and later Oracle Systems Corporation in 1983. The initial Oracle Database release in 1979 was called Oracle version 2. In 1990, Oracle laid off 10% of its workforce after losing money due to an aggressive marketing strategy that overstated earnings, leading to class-action lawsuits. Ellison later called it 'an incredible business mistake.' Oracle eventually dominated the relational database market after rivals Sybase and Informix faltered.

Ellison has been a director of Apple Computer (1997–2002) and settled an insider-trading lawsuit in 2005 by paying $100 million to charity in Oracle's name. In 2010, Oracle acquired Sun Microsystems, gaining control of the MySQL database. He owns 98% of the land on Lānaʻi and a stake in Tesla worth over $19 billion.

Reader's Guide

Larry Ellison's significance lies in his role as co-founder and long-time CEO of Oracle Corporation, which became a dominant force in the relational database market. His leadership saw Oracle survive a near-bankruptcy in 1990 and outlast competitors such as Sybase and Informix, eventually competing primarily with IBM's DB2 and Microsoft SQL Server. The acquisition of Sun Microsystems in 2010 expanded Oracle's portfolio to include the MySQL database and hardware assets. Ellison's personal wealth, briefly making him the world's richest person in September 2025, reflects Oracle's market performance. Beyond technology, his investments—including near-total ownership of the Hawaiian island of Lānaʻi, a large stake in Tesla, and control of Paramount Skydance—demonstrate a diversified portfolio. His legacy is that of a persistent entrepreneur who built a foundational software company and leveraged that success into wide-ranging business interests.

Did You Know?

• Ellison was adopted after contracting pneumonia at nine months and did not meet his biological mother again until he was 48.
• He refused to have a bar mitzvah at age 13, calling religious stories 'interesting mythology.'
• Oracle's first database release in 1979 was called Oracle version 2; there was no version 1.