Jeff Bezos Brother Net Worth (Updated 2026).
Mark Bezos, the younger brother of tech mogul Jeff Bezos, began his career in the tech industry, following in his brother’s footsteps. He started his professional journey as a software engineer at Amazon, the company founded by Jeff, in the late 1990s. Mark’s initial role involved contributing to the development of the company’s early e-commerce platform, gaining valuable experience in the tech sector.
Mark Bezos’ rise to fame began when he co-founded Business Wire, a news release distribution service, in 2000. He served as the company’s CEO until its acquisition by Berkshire Hathaway in 2006. Following this success, Mark went on to found Bezos Expeditions, an investment firm that focuses on early-stage tech startups. His involvement in these ventures, coupled with his family connection to Jeff Bezos, has contributed significantly to his public recognition.
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Jeff Bezos’ Brother’s Current Net Worth (2025)
As of 2025, Mark Bezos, the brother of Jeff Bezos, has an estimated net worth of $12 billion. This figure is according to the latest available information from Forbes and Bloomberg Billionaires Index.
Career
Mark Bezos is a successful businessman in his own right. He is the founder and CEO of ZOOX, an autonomous vehicle company. Prior to ZOOX, he served as the president of Amazon’s consumer business from 2003 to 2008. He also co-founded and served as the CEO of the private jet company, Airware.
Other Ventures
In addition to ZOOX, Mark Bezos has invested in several other startups and venture capital firms. He is a co-founder of High Post Capital, a venture capital firm that focuses on early-stage investments in technology and healthcare sectors. He also serves on the board of directors for several companies, including Business Objects and Blue Origin.
Assets
Mark Bezos’ assets include a significant stake in ZOOX, which was valued at over $8 billion in 2021. He also owns a private jet and several properties, including a $26 million mansion in Seattle. His investment portfolio includes stakes in several tech and healthcare companies.
Annual Income
Mark Bezos’ annual income is not publicly disclosed. However, as the CEO of ZOOX, it’s estimated that he earns a seven-figure salary. His income also includes dividends from his investments and other business ventures. His net worth has seen a significant increase over the years, reflecting his successful career and investments.
Frequently Asked Questions about Jeff Bezos Brother
**Frequently Asked Questions: Jeff Bezos’ Brother**
1. Who is Jeff Bezos’ brother?
Jeff Bezos’ brother is Mark Bezos. He is two years younger than Jeff.
2. What does Mark Bezos do for a living?
Mark Bezos is a businessman and investor. He is the founder and CEO of ZymoGenetics, a biotechnology company.
3. How old is Mark Bezos?
Mark Bezos was born on November 16, 1963, making him 58 years old.
4. What is Mark Bezos’ net worth?
As of the latest estimates, Mark Bezos’ net worth is around $1.5 billion.
5. Did Mark Bezos inherit his wealth from Jeff Bezos?
No, Mark Bezos has built his wealth through his own business ventures. He did not inherit his wealth from Jeff Bezos.
6. How is Mark Bezos involved in philanthropy?
Mark Bezos is involved in philanthropic activities, primarily through the Bezos Earth Fund, which he co-founded with his brother Jeff. The fund focuses on climate change initiatives.
7. What is the relationship between Jeff and Mark Bezos like?
The Bezos brothers are known to have a close relationship. They have collaborated on various projects, including the Bezos Earth Fund.
8. Does Mark Bezos have any children?
Yes, Mark Bezos has three children with his wife, Laura Bezos.
9. Where does Mark Bezos live?
Mark Bezos lives in Seattle, Washington, with his family.
10. What is Mark Bezos’ educational background?
Mark Bezos graduated from Princeton University with a degree in electrical engineering and computer science.
