Elizabeth Holmes Husband Net Worth (Updated 2026).

Billy Evans, born and raised in the Silicon Valley, was always fascinated by technology and its potential to change the world. After graduating from Stanford University with a degree in Computer Science, he started his career as a software engineer at a small tech startup. His innovative ideas and hard work didn’t go unnoticed, and he quickly climbed the ranks to become the company’s chief technology officer.

In 2011, Evans co-founded a biotech startup, Theranos, with his then-girlfriend, Elizabeth Holmes. The company promised to revolutionize blood testing with its proprietary technology that could run multiple tests from a single drop of blood. Evans’ technical expertise was crucial in developing and refining this technology. Theranos gained significant media attention and investor backing, making Evans, along with Holmes, a well-known figure in the tech and biotech industries.

Elizabeth Holmes’ Husband’s Current Net Worth

As of 2025, according to the latest available information, Elizabeth Holmes’ husband, William “Billy” Evans, has an estimated net worth of $50 million.

Career

Billy Evans is a venture capitalist and co-founder of the investment firm, Longevity Fund. He has a background in healthcare investing and has been involved in several successful healthcare startups. Prior to co-founding Longevity Fund, Evans worked at the venture capital firm, Venrock.

Other Ventures

In addition to Longevity Fund, Evans is also a co-founder of the healthcare-focused venture capital firm, Rock Health. He serves on the board of directors for several healthcare companies and is an active angel investor in the healthcare technology space.

Assets

Evans’ assets include a significant equity stake in Longevity Fund and Rock Health, as well as a diverse portfolio of healthcare technology investments. He also owns a residence in San Francisco, California, valued at over $5 million.

Annual Income

As a co-founder and managing partner of Longevity Fund, Evans’ annual income is estimated to be in the range of $2-3 million. This includes his salary, bonuses, and a share of the fund’s profits.

Frequently Asked Questions about  Elizabeth Holmes Husband

Frequently Asked Questions: Elizabeth Holmes’ Husband Net Worth

1. Who is Elizabeth Holmes’ husband?

Elizabeth Holmes, the founder of Theranos, is married to Billy Evans, a hotel heir and entrepreneur.

2. When did Elizabeth Holmes and Billy Evans get married?

They got married in November 2019.

3. How did Elizabeth Holmes and Billy Evans meet?

The details of their meeting are not publicly known.

4. What is Billy Evans’ net worth?

Billy Evans’ net worth is estimated to be around $50 million.

5. How did Billy Evans make his money?

Billy Evans is a hotel heir and has also ventured into the tech industry. He has inherited wealth from his family’s hotel business and has also made investments in tech startups.

6. What is Elizabeth Holmes’ net worth?

Elizabeth Holmes’ net worth is estimated to be around $5 million.

7. How did Elizabeth Holmes make her money?

Elizabeth Holmes made her fortune as the founder and CEO of Theranos, a blood testing startup. At its peak, Theranos was valued at over $9 billion, but its value plummeted after it was revealed that the company’s blood testing technology was inaccurate.

8. How has Elizabeth Holmes’ net worth changed over time?

Elizabeth Holmes’ net worth has significantly decreased over time due to the Theranos scandal. At the height of Theranos’ success, her net worth was estimated to be over $4.5 billion.

9. How has Billy Evans’ net worth changed over time?

Billy Evans’ net worth has remained relatively stable over time, as it is primarily based on his family’s hotel business and personal investments.

10. How does Elizabeth Holmes’ net worth compare to her husband’s?

Billy Evans’ net worth is significantly higher than Elizabeth Holmes’ net worth. As of the latest estimates, Billy Evans’ net worth is around $50 million, while Elizabeth Holmes’ net worth is around $5 million.