Larry Ellison's IQ: 145
Larry Ellison
Estimated IQ
145
Known For
Oracle founder, college dropout billionaire, database pioneer
About Larry Ellison
Larry Ellison is the co-founder and longtime CEO of Oracle Corporation — the world's second-largest software company by revenue and the dominant force in enterprise database software for four decades. He dropped out of two universities (the University of Illinois and the University of Chicago) before working as a computer programmer, eventually co-founding Oracle in 1977 with two partners. His key insight was that Edgar Codd's relational database model — then purely theoretical — could be built into a commercial product, and Oracle's relational database became the backbone of enterprise computing worldwide. His estimated IQ of 145 reflects extraordinary technical insight combined with ruthless commercial instincts and a relentless competitive drive that earned him a reputation as one of the most formidable and aggressive business competitors in Silicon Valley.
What an IQ of 145 Means
Ellison's estimated IQ of 145 reflects high giftedness across technical and strategic domains, combined with the kind of intense competitive disposition that cognitive assessments do not measure. His famous competitiveness — expressed in his America's Cup racing (Oracle Team USA won consecutively), his public feuds with competitors, and his management style — has been as important to Oracle's success as his technical insight. His career illustrates a pattern seen in several technology billionaires: formal education abandoned in favor of hands-on technical work, followed by the kind of commercial success that retrospectively makes the dropout seem like prescience rather than failure. His friendship with Steve Jobs — a fellow competitive, design-obsessed college dropout — was one of Silicon Valley's most consequential personal relationships.
How Larry Ellison Compares
To understand where this falls on the IQ scale, see our complete IQ score ranges guide, or learn what IQ actually measures.
Famous IQ Comparison
| Person | Estimated IQ | Known For |
|---|---|---|
| Larry Ellison | 145 | Oracle founder, college dropout billionaire, database pioneer |
| Elon Musk | 150–155 | Tesla, SpaceX, CEO and entrepreneur |
| Bill Gates | 150–160 | Microsoft co-founder, philanthropist |
| Mark Zuckerberg | 140–150 | Facebook/Meta founder, social media pioneer |
| Jeff Bezos | 145–155 | Amazon founder, Blue Origin, richest person |
| Natalie Portman | 135–145 | Academy Award actress, Harvard graduate, researcher |
| Mayim Bialik | 150–163 | Actress (Big Bang Theory), neuroscientist |
See the complete famous IQ list or check what an IQ of 145 means.
Careers That Match an IQ of 145
- Mathematician — typical IQ range: 130–145
- Anesthesiologist — typical IQ range: 125–140
- Neurosurgeon — typical IQ range: 128–140
Explore the full IQ by career chart.
Frequently Asked Questions
What is Larry Ellison's IQ?
Larry Ellison's IQ is estimated at approximately 145, placing him in the top 0.1% of the population. He has not taken a publicly disclosed standardized IQ test. This estimate reflects his technical insight in recognizing the commercial potential of relational database theory, his sustained leadership of Oracle across more than four decades and against formidable competition, and the strategic intelligence required to navigate the complex enterprise software market while executing numerous acquisitions (including PeopleSoft, Sun Microsystems, and NetSuite).
How did Oracle become the dominant database company?
Oracle's dominance stemmed from Ellison's early bet on Edgar Codd's relational database model, which at the time IBM had developed theoretically but declined to commercialize aggressively. Oracle moved faster, shipping a version (controversially, before it was fully stable) that established market presence before IBM could respond. Subsequent decades of Oracle's success relied on an aggressive sales culture, the high switching costs inherent in enterprise database systems (once a company's data is in Oracle, migrating is extremely expensive), and a pattern of acquiring competitors. Oracle's database became so embedded in global enterprise computing that even as cloud competitors like Amazon Web Services emerged, Oracle retained massive installed base revenue.
What is Larry Ellison's personal style and how did it affect Oracle?
Ellison is famous for a personal style that combines conspicuous wealth (private jets, America's Cup racing yachts, a Hawaiian island) with intense competitive ferocity and an unusually personal approach to business rivalry — his public contempt for competitors, particularly SAP and later Salesforce, was remarkably direct by corporate standards. This competitive intensity permeated Oracle's culture: the company was known for a combative sales approach, aggressive legal tactics against competitors, and a CEO who remained personally involved in product and strategy decisions decades after most founders step back. Analysts have attributed both Oracle's sustained market dominance and some of its strategic blind spots to this leadership style.
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MyIQScores Editorial Team
Researchers in cognitive psychology, psychometrics & educational science
Last updated
May 10, 2026
All content on MyIQScores is reviewed for scientific accuracy against peer-reviewed research in cognitive psychology and psychometrics. Our editorial team cross-references each article with published literature before publication and updates pages whenever new research warrants a revision.