Richest BusinessRichest Billionaires
Net Worth:
$2 Billion
United States of America
­čĺ░ Compare Robert Duggan's Net Worth

What is Robert Duggan's Net Worth?

Robert Duggan is an American entrepreneur who has a net worth of $2 billion. After making investments in several tech companies, a pioneering robotic surgery company and a cookie bakery, Robert Duggan became a billionaire as shareholder and CEO of pharmaceutical company called Pharmacyclics. The company pioneered a cancer drug Ibrutinib which treats chronic lymphocytic leukemia and was dubbed the most promising leukemia drug in a decade. Owning almost one-fifth of the company's shares, Robert Duggan saw an incredible surge in his net worth along with an almost 1,000% boost of the company's stock after it went public. A portion of his abundant fortune will be donated to the Church of Scientology, of which he is an active member.

Early Life and Entrepreneurial Beginnings

Duggan was born and raised in California, where he developed an early interest in entrepreneurship. He studied economics and business administration at the University of California, Santa Barbara, before launching into his business career. Duggan's early ventures spanned several industries, including bakery equipment manufacturing and medical devices, demonstrating his ability to understand and innovate across diverse fields.

Success in the Tech Industry

Duggan made his first significant entrepreneurial impact in the tech industry. In the 1980s, he served as the CEO of ADAC Laboratories, a medical instruments company, which he successfully sold in 1996. Following this, he became the CEO of Sunset Designs, a craft company, which he also sold profitably.


Duggan's most prominent success came with his involvement in Pharmacyclics, a struggling biotech company that he invested in during the late 2000s. Under his guidance as CEO, the company developed ibrutinib, a revolutionary cancer drug, which led to the company's extraordinary turnaround. In 2015, Duggan orchestrated the sale of Pharmacyclics to AbbVie for $21 billion, a deal that significantly increased his wealth and cemented his reputation as a savvy business leader.

Venture Capital Investments

Following the sale of Pharmacyclics, Duggan focused on venture capital investments, often in the biotech and technology sectors. His investments have included Pulse Biosciences, a bioelectric medicine company, and Summit Therapeutics, a company specializing in new antibiotics. His strategic investments demonstrate his keen ability to identify promising start-ups and industries with high growth potential.

Philanthropy and Personal Interests

Outside of his business ventures, Duggan is known for his philanthropic activities. He has made substantial donations to educational and healthcare institutions. Notably, he is one of the largest individual donors to the Church of Scientology.

Duggan also has a passion for art and is an avid collector of Abstract Expressionist and Post-War artworks, holding pieces by notable artists such as Willem de Kooning and Ad Reinhardt.

All net worths are calculated using data drawn from public sources. When provided, we also incorporate private tips and feedback received from the celebrities or their representatives. While we work diligently to ensure that our numbers are as accurate as possible, unless otherwise indicated they are only estimates. We welcome all corrections and feedback using the button below.
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