Roy And Diana Vagelos Net Worth (Updated 2026).
Roy and Diana Vagelos, a power couple in the pharmaceutical industry, began their careers in the 1970s, a time of significant growth and innovation in the sector. Roy, a graduate of the University of Pennsylvania’s medical school, started his professional journey at Merck & Co., where he would eventually rise to become the company’s CEO. Diana, a registered nurse, played a pivotal role in founding the company’s first AIDS research program, demonstrating her commitment to public health and medical research from the outset.
As Roy’s career progressed at Merck, Diana continued to make her mark, co-founding the company’s Women’s Health Center and advocating for women’s health issues in the workplace. Roy’s leadership at Merck, marked by his focus on scientific innovation and ethical business practices, brought him widespread recognition. Meanwhile, Diana’s advocacy and philanthropic efforts, particularly in the areas of health and education, solidified her reputation as a influential figure in her own right. Their combined impact on the pharmaceutical industry and beyond would eventually lead to their induction into the American Academy of Arts and Sciences and other prestigious organizations.
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Roy and Diana Vagelos’ Current Net Worth (2025)
As of 2025, Roy and Diana Vagelos’ combined net worth is estimated to be around $12.5 billion, according to Forbes. This places them among the wealthiest individuals in the United States.
Career
Roy Vagelos, a Greek-American physician and businessman, served as the chairman and CEO of Merck & Co. from 1985 to 1994. He is known for his role in developing Mectizan, a drug used to treat river blindness and onchocerciasis, which are neglected tropical diseases. Diana Vagelos, his wife, is a philanthropist and has been involved in various charitable initiatives alongside her husband.
Other Ventures
In addition to their work in the pharmaceutical industry, the Vageloses have invested in various other ventures. They are the majority owners of the Philadelphia 76ers, an NBA team, and have also invested in real estate and other businesses. They have also been involved in politics, contributing to various political campaigns.
Assets
The Vageloses’ assets include a 22,000-square-foot mansion in Gladwyne, Pennsylvania, valued at around $20 million. They also own a private jet and have invested in art, with a collection that includes works by Picasso and Matisse. Their philanthropic endeavors include the Vagelos Education Center at Columbia University and the Roy and Diana Vagelos Scholars Program in Molecular Life Sciences at Princeton University.
Annual Income
The Vageloses’ annual income is not publicly disclosed. However, as of 2021, Roy Vagelos’ compensation as a director at Regeneron Pharmaceuticals was around $300,000. Their income also likely includes returns from their investments in various businesses and assets.
Frequently Asked Questions about Roy And Diana Vagelos
**Frequently Asked Questions: Roy and Diana Vagelos Net Worth**
1. What is Roy and Diana Vagelos’ net worth?
Roy and Diana Vagelos’ net worth is estimated to be around $15 billion.
2. How did Roy Vagelos make his fortune?
Roy Vagelos made his fortune primarily through his career in the pharmaceutical industry. He served as the CEO of Merck & Co. from 1985 to 1994.
3. What is the Vagelos’ philanthropic work like?
Roy and Diana Vagelos are known for their philanthropy. They have donated hundreds of millions of dollars to various causes, including education, healthcare, and scientific research.
4. What is the Vagelos’ connection to Columbia University?
Roy Vagelos is a graduate of Columbia University’s College of Physicians and Surgeons. He and Diana have donated over $200 million to the university, including a $100 million gift in 2018 to establish the Vagelos College of Physicians and Surgeons.
5. How much have the Vagelos’ donated to charity?
The Vagelos have donated over $1 billion to charitable causes, including their alma maters and medical research institutions.
6. What is the Vagelos’ investment portfolio like?
The Vagelos’ investment portfolio includes a significant stake in Regeneron Pharmaceuticals, which Roy Vagelos co-founded, as well as investments in real estate and other businesses.
7. What are some of the awards and recognitions Roy Vagelos has received?
Roy Vagelos has received numerous awards and recognitions, including the Presidential Medal of Freedom, the highest civilian honor in the United States.
8. What is the Vagelos’ real estate like?
The Vagelos own several properties, including a home in New York City and a farm in upstate New York.
9. What are some of the causes the Vagelos support through their philanthropy?
The Vagelos support a wide range of causes, including medical research, education, healthcare, and the arts. They have also established scholarships and fellowships to support students and young scientists.
10. How can I contact the Vagelos for charitable donations?
The Vagelos do not accept unsolicited requests for donations. They typically work with established organizations and institutions to support their philanthropic efforts.
