# Thomas Duff

_American billionaire businessman_

Canonical: https://diginpl.com/people/thomas-duff
Last updated: 2026-10-31

> Thomas Milton Duff (born December 31, 1956) is an American billionaire businessman and philanthropist. Alongside his brother, James Duff, he co-owns Southern Tire Mart, a truck tire dealer and retread manufacturer, and Duff Capital Investors, a private business in Mississippi.

## Quick facts

- **Occupation:** businessperson ([Wikidata](https://www.wikidata.org/wiki/Q60735008#P106))
- **Education:** University of Southern Mississippi ([Wikidata](https://www.wikidata.org/wiki/Q60735008#P69))

## About

In addition to his business ventures, Duff has been involved in public service, serving on the Mississippi Institutions of Higher Learning Board of Trustees and supporting Republican political campaigns. He has also made significant philanthropic contributions to Mississippi universities.

## Questions

**Where did Thomas Duff study?**  
Thomas Duff was educated at University of Southern Mississippi.

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## Sources

- [Wikipedia (English): Thomas Duff](https://en.wikipedia.org/wiki/Thomas_Duff_(businessman)) — [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)
- [Wikidata item Q60735008](https://www.wikidata.org/wiki/Q60735008) — [CC0 1.0](https://creativecommons.org/publicdomain/zero/1.0/)

## Licence and attribution

Text from the Wikipedia article Thomas Duff, licensed under CC BY-SA 4.0. This page's text is shared under the same licence. Facts from Wikidata (CC0).

## Cite this page

"Thomas Duff". DigiNepal. Last updated 31 October 2026. https://diginpl.com/people/thomas-duff. Retrieved 6 November 2026.