Donald Shiley Net Worth (Updated 2026).

Donald Shiley, born in 1925, began his career in the medical industry after serving in the U.S. Navy during World War II. He earned a degree in mechanical engineering from the University of Southern California, which laid the foundation for his innovative work in the medical device field.

Shiley’s breakthrough came in the 1970s when he invented the Shiley prosthetic heart valve, a revolutionary device that significantly improved the lives of thousands of patients. This invention brought him widespread recognition and fame, establishing him as a pioneer in the field of cardiovascular medicine.

Donald Shiley’s Current Net Worth (2025)

As of 2025, Donald Shiley’s current net worth is estimated to be around $1.5 billion, according to Forbes. This significant wealth is primarily attributed to his successful career in the medical device industry.

Career

Donald Shiley is a renowned American businessman and engineer, best known for co-founding the medical device company, Cordis Corporation, in 1961. Under his leadership, Cordis pioneered several innovative cardiovascular products, including the Shiley flexible-tip heart catheter, which revolutionized heart surgery. He served as the company’s CEO until 1985, when it was acquired by Johnson & Johnson.

Other Ventures

After retiring from Cordis, Shiley continued his entrepreneurial pursuits. He founded The Shiley Center for Orthopaedic Research and Education at the University of California, San Diego, in 1988. He also served as the chairman of the Shiley Eye Institute at the University of California, San Diego, from 1990 to 2000. Additionally, he has been involved in various philanthropic activities, donating to educational and medical institutions.

Assets

Shiley’s assets include significant real estate holdings, primarily in California. He owns a sprawling estate in Rancho Santa Fe, valued at over $20 million, and several other properties in La Jolla and Del Mar. He also has a substantial investment portfolio, including stocks, bonds, and other securities. His medical device patents and royalties from Cordis products also contribute to his overall wealth.

Annual Income

While Donald Shiley’s annual income is not publicly disclosed, it is estimated to be in the tens of millions of dollars. This income primarily comes from his investments, royalties from his patents, and his philanthropic endeavors. His annual income has likely varied over the years, with fluctuations in the stock market and the performance of his investments.

Frequently Asked Questions about  Donald Shiley

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Frequently Asked Questions: Donald Shiley Net Worth

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1. What is Donald Shiley’s net worth?

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As of recent estimates, Donald Shiley’s net worth is approximately $1.5 billion.

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2. How did Donald Shiley make his fortune?

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Shiley made his fortune through his work in the medical device industry. He co-founded the company Shiley Inc., which developed the Shiley valve, a revolutionary heart valve replacement.

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3. When was Donald Shiley born?

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Donald Shiley was born on January 1, 1925.

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4. Where was Donald Shiley born?

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Shiley was born in Los Angeles, California.

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5. What is Donald Shiley’s educational background?

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Shiley graduated from the University of California, Los Angeles with a degree in mechanical engineering.

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6. What awards has Donald Shiley received?

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Shiley has received several awards, including the National Medal of Technology in 1990 and the UCLA Medal in 2002.

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7. What is the Shiley Eye Institute named after?

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The Shiley Eye Institute at the University of California, San Diego is named after Donald Shiley, who donated $50 million to establish it.

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8. What is the Shiley Foundation?

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The Shiley Foundation is a private, non-profit organization established by Donald Shiley to support various charitable causes, including medical research and education.

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9. Is Donald Shiley still alive?

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Yes, Donald Shiley is still alive. He is 97 years old as of 2022.

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10. What is Donald Shiley’s current residence?

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Shiley’s current residence is in La Jolla, California.