Dennis Gillings vs Jeff Bezos
Real-time net worth, career, and company comparison — updated June 2026.
Wealth at a Glance
Net worth gap: $270.0B — equivalent to 99% of Jeff's total wealth.
Tale of the Tape
Career Highlights
Dennis Gillings
- 1971Professor at UNCBegan teaching biostatistics at the University of North Carolina at Chapel Hill.
- 1982Founded QuintilesFounded Quintiles Transnational, a clinical research organization.
- 1994Quintiles IPOTook Quintiles public through an initial public offering.
- 2004Commander of the Order of the British EmpireAppointed Commander of the Order of the British Empire (CBE) for services to the pharmaceutical industry.
- 2015Retired as Executive Chairman of QuintilesRetired from the position of Executive Chairman of Quintiles.
Jeff Bezos
- 1994Founded AmazonEstablished Amazon.com as an online bookstore in Seattle, Washington.
- 1997Amazon IPOTook Amazon public, raising $54 million.
- 2000Founded Blue OriginFounded Blue Origin, an aerospace manufacturer and sub-orbital spaceflight services company.
- 2013Acquired The Washington PostPurchased The Washington Post for $250 million.
- 2021Stepped down as Amazon CEOTransitioned to the role of Executive Chairman of Amazon.
Net Worth History
| Year | Dennis | Jeff | Leader |
|---|---|---|---|
| 2020 | $1.199B | — | — |
| 2022 | — | $128.7B | — |
| 2023 | — | $111B | — |
| 2024 | $2.2B | $222.3B | Jeff |
| 2025 | $2.2B | $224B | Jeff |
| 2026 | $2.223B | $272.272B | Jeff |
The Verdict: Jeff Bezos vs Dennis Gillings
As of June 2026, Jeff Bezos leads this comparison with a net worth of $272.272B, placing at #4 in the global rankings. Dennis Gillings follows at $2.223B — a gap of $270.0B.
The two leaders come from distinct industries — Healthcare for Dennis Gillings and Technology for Jeff Bezos. Comparing them is therefore a comparison of different underlying asset types, growth rates, and risk profiles rather than a simple head-to-head within the same market.
Dennis Gillings is 81 years old versus 62 for Jeff Bezos, a difference of 19 years. Age context matters in wealth comparisons: a younger billionaire at the same net worth has had less time to accumulate — and in many cases represents a higher compound annual growth rate on their wealth.
Net worth figures are estimates calculated from public shareholding disclosures, stock price data, and reported asset values. See our full methodology.
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Net worth estimates updated daily from public financial disclosures. Methodology · Report an error