Billionaire Profile
Robert Duggan
Global Rank
#246

Image: KellyMorfopoulos | CC BY-SA 4.0 | via Wikimedia Commons

Robert Duggan

CEO, Pharmaceuticals
UNITED STATES
Real-Time Net Worth
$12.627B
Estimated based on Pharmaceuticals stock value as of June 4, 2026
+10.56% (24h)
Age
81
Source
Pharmaceuticals
Industry
Healthcare
Citizenship
UNITED STATES

Biography

Robert W. Duggan, born in 1944, is an American billionaire entrepreneur best known for his impactful career in the pharmaceutical and biotech industries. His wealth stems from his strategic investments and leadership roles within these sectors. Duggan's career highlights include serving as the CEO of Pharmacyclics, where he spearheaded the development of the cancer drug Imbruvica, and as the CEO of Computer Motion. He is currently the Executive Chairman and CEO of Summit Therapeutics. Duggan is also noted for his significant contributions to philanthropy, particularly to educational institutions and the Church of Scientology, to which he has donated generously. Duggan's net worth is estimated at $11.4 billion.

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Live Data
Updated 6/4/2026
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Wealth Over Time

Career Milestones

  1. 1

    Founded Government Technology Services, Inc (GTSI)

    Sold new computer technologies and services primarily to government agencies.

  2. 2

    Sold Paradise Bakery & Cafe

    Sold the business for a significant profit.

  3. 3

    CEO of Computer Motion

    Led the company specializing in robotic surgical systems.

  4. 4

    CEO of Pharmacyclics

    Oversaw the development of Imbruvica cancer drug and its subsequent sale to AbbVie.

  5. 5

    Pharmacyclics Sale to AbbVie

    Pharmacyclics was sold to AbbVie for $21 billion.

  6. 6

    Co-CEO of Summit Therapeutics

    Invested in Summit Therapeutics and became co-CEO.

Net Worth History

YearNet Worth
2026$12.627B
2025$11.6B
2024$11.4B
2020$2B

Philanthropy

UCSB Support

$$X.XB
Education

Board of Trustees member and donor to various departments.

Scientology Donations

$$360M+
Religious

Significant contributions to the Church of Scientology.

Robert W Duggan Foundation

$$1.3M
Philanthropy

Foundation grants various projects in CA and NY

Controversies & Legal

Unknown

Church of Scientology Affiliation

Duggan's significant donations to the Church of Scientology have drawn attention, though he has not been involved in any specific controversies related to the organization.

In-Depth Profile

Early Life and Education

Robert W. Duggan was born in Oakland, California, in 1944. He attended St. Francis High School, where he was the quarterback. He studied business and economics at the University of California, Santa Barbara, and UCLA, although he did not complete a degree. His early experiences included working as a baker and enjoying surfing.

Career Highlights and Rise to Success

Duggan's entrepreneurial journey began with his first company, Sunset Designs. He later transitioned to the tech sector, serving as CEO of Computer Motion from 1997 to 2003, a company that developed robotic surgical systems. However, his most significant financial success came from his involvement with Pharmacyclics. He invested in Pharmacyclics in 2004 and became its CEO in 2008. Under his leadership, Pharmacyclics developed Imbruvica, a breakthrough cancer drug that became a major revenue driver, particularly for treating leukemia and lymphoma. Duggan orchestrated the sale of Pharmacyclics to AbbVie in 2015 for $21 billion, which solidified his position as one of the wealthiest figures in biotechnology.

Key Business Strategies

Duggan's success is attributed to his strategic investments in biotechnology and his leadership in developing life-saving medical treatments. Duggan focuses on identifying and investing in transformative medical innovations, turning struggling companies into thriving ventures through his strategic leadership and vision.

Philanthropy

Duggan is also known for his extensive philanthropic activities. He has served on the board of trustees at UCSB since 1989. He has donated significantly to educational endeavors such as athletic departments, the UC Santa Barbara Gold Circle Society, and faculty chair positions in Mathematics and in Life and Physical Sciences. Duggan is also a founding donor of the Institute for Energy Efficiency at UCSB.

Career Milestones

1980s

Founded Government Technology Services, Inc (GTSI)

Sold new computer technologies and services primarily to government agencies.

1987

Sold Paradise Bakery & Cafe

Sold the business for a significant profit.

1997-2003

CEO of Computer Motion

Led the company specializing in robotic surgical systems.

2008-2015

CEO of Pharmacyclics

Oversaw the development of Imbruvica cancer drug and its subsequent sale to AbbVie.

2015

Pharmacyclics Sale to AbbVie

Pharmacyclics was sold to AbbVie for $21 billion.

2020

Co-CEO of Summit Therapeutics

Invested in Summit Therapeutics and became co-CEO.

Philanthropy & Social Impact

Education

UCSB Support

$X.XB

Board of Trustees member and donor to various departments.

Religious

Scientology Donations

$360M+

Significant contributions to the Church of Scientology.

Philanthropy

Robert W Duggan Foundation

$1.3M

Foundation grants various projects in CA and NY

Business Philosophy & Leadership

Notable Quotes

"I'm probably one of the wealthier people that have created more wealth on the planet than few others, and people don't know my name. I'm not here for people to know my name.”"

"I knew more about brain tumors than the average guy walking down the street, because we had to look for support in handling his condition."

Leadership Principles

Strategic Investment

Identifying and investing in transformative medical innovations.

Visionary Leadership

Turning struggling companies into thriving ventures through strategic vision.

Controversies & Challenges

Unknown

Church of Scientology Affiliation

Duggan's significant donations to the Church of Scientology have drawn attention, though he has not been involved in any specific controversies related to the organization.