Billionaire Profile
Dagmar Dolby & family
Global Rank
#898

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Dagmar Dolby & family

CEO, Dolby Laboratories
UNITED STATES
Real-Time Net Worth
$4.79B
Estimated based on Dolby Laboratories stock value as of April 21, 2026
+0.09% (24h)
Age
84
Source
Dolby Laboratories
Industry
technology
Citizenship
UNITED STATES

Biography

Dagmar Dolby, born in Germany in 1941, is an American philanthropist and the widow of Ray Dolby, the founder of Dolby Laboratories. Following her husband's death in 2013, Dagmar assumed ownership of a significant stake in the company, fueling her substantial net worth. She has been pivotal in transforming the audio-tech realm and is a signatory of The Giving Pledge. Dolby's philanthropic efforts, driven by her late husband's experience with Alzheimer's disease, include significant donations to medical and academic institutions, with a focus on research in brain health and stem cell advancements. Residing in San Francisco, California, Dagmar's wealth originates from Dolby Laboratories, the audio technology company that revolutionized sound in film and entertainment.

Fact Checked
Verified by Editorial Team
Live Data
Updated 4/21/2026

Wealth Over Time

In-Depth Profile

Early Life and Education

Dagmar Dolby was born Dagmar Bäumert in Germany in 1941. She met Ray Dolby in 1962 while studying in a summer program at Cambridge University. She graduated from Heidelberg University in 1966.

Rise to Success

Dagmar's journey is closely tied to her late husband, Ray Dolby. Ray founded Dolby Laboratories in London in 1965, which pioneered noise reduction and surround sound technologies. After Ray's death in 2013, Dagmar inherited a considerable portion of Dolby Laboratories.

Key Business Strategies

The primary source of Dagmar Dolby's wealth is Dolby Laboratories, a company that has revolutionized the audio experience in film, music, and consumer electronics. The company generates revenue through licensing its technologies and brand to device manufacturers and selling cinema hardware and services.

Philanthropy

Dagmar has been actively involved in philanthropic endeavors, particularly through the Ray and Dagmar Dolby Family Fund. She has focused on supporting research in brain health, Alzheimer's disease, mood disorders, and stem cell research. Notable donations include $52.6 million to Cambridge University for the Ray and Dagmar Dolby Court and $20 million to the University of California, San Francisco, to establish the Dolby Family Center for Mood Disorders. She is a signatory of The Giving Pledge.

Career Milestones

1962

Met Ray Dolby

Dagmar met Ray Dolby in Cambridge, England.

1966

Married Ray Dolby

Married Ray Dolby after he founded Dolby Laboratories.

1976

Moved to San Francisco

Moved to San Francisco when Dolby Laboratories relocated its headquarters.

2013

Inherited Dolby Laboratories

Assumed ownership of a significant portion of Dolby Laboratories after Ray Dolby's death.

2017

Joined The Giving Pledge

Committed to donating the majority of her estate to charitable causes.

Philanthropy & Social Impact

Education

Cambridge University

$160M+

Donations to Cambridge University, including the Ray and Dagmar Dolby Court.

Healthcare

University of California, San Francisco

$20M

Establishment of the Dolby Family Center for Mood Disorders.

Healthcare

California Pacific Medical Center

$21M

Donation to support Alzheimer's research and care.

Business Philosophy & Leadership

Notable Quotes

"The University of Cambridge played a pivotal role in Ray's life, both personally and professionally."

"At Cambridge, he gained the formative education and insights that contributed greatly to his lifelong groundbreaking creativity, and we also began a wonderful lifetime together there."

Leadership Principles

Philanthropy

Dedicated to supporting medical research, particularly for Alzheimer's disease and stem cell research, and advocating for women's equality.