Michael Dell vs Thomas Siebel: who is richer?
Michael Dell is richer, with a net worth of $194.9 billion versus Thomas Siebel's $4.57 billion — a gap of $190.3 billion, or 43 times as much (as of November 7, 2026).
Michael Dell
Source of wealth: Dell Technologies
$194.9B
Made since you opened this page: $0.00
Thomas Siebel
Source of wealth: Business software
$4.57B
Made since you opened this page: $0.00
Side-by-side
| Michael Dell | Thomas Siebel | |
|---|---|---|
| Net worth | $194.9B | $4.57B |
| World rank | #6 | #935 |
| Makes per second | $1,923 | $9.25 |
| Makes per day | $166.1M | $799,625 |
| Today | +$3.78B | +$7.94M |
| Source of wealth | Dell Technologies | Business software |
| Age | 61 | 73 |
| Country | United States | United States |
Net worth by year
| Year | Michael Dell | Thomas Siebel |
|---|---|---|
| 2026 | $141B | $3.9B |
| 2025 | $97.7B | $4.1B |
| 2024 | $91B | $3.9B |
| 2023 | $50.1B | $3.5B |
| 2022 | $55.1B | $3.5B |
| 2021 | $45.1B | $4.9B |
| 2020 | $22.9B | $3.6B |
| 2019 | $34.3B | $2.9B |
| 2018 | $22.7B | $2.9B |
| 2017 | $20.4B | $2.5B |
| 2016 | $19.8B | $2.2B |
| 2015 | $19.2B | $2.3B |
Frequently asked questions
Who is richer, Michael Dell or Thomas Siebel?
Michael Dell is richer, worth $194.9 billion compared with Thomas Siebel's $4.57 billion. The difference is $190.3 billion.
Who makes more per second, Michael Dell or Thomas Siebel?
Michael Dell makes more: about $1,923 per second versus $9.25. Per day that's $166.1M vs $799,625.
How many times richer is Michael Dell than Thomas Siebel?
Michael Dell has about 43 times Thomas Siebel's net worth.