GiveRate / All records / Forbes 400 (Sept. 2026) / Dagmar Dolby & family
Dagmar Dolby & family
10–20%
Dagmar Dolby & family has given an estimated 10–20% of current net worth ($5.2B), based on Forbes' philanthropy score.
- GiveRate
- 10–20%
- Net worth
- $5.2B
- Stated lifetime giving
- Not stated
- Forbes 400
- #325 · Dolby Laboratories · San Francisco, California
- Status
- Source-reported range
- Sources
- Forbes 400 profile · Sept. 2026
The math
Forbes philanthropy score 4 of 5: lifetime giving is 10–20% of current net worth. The range is Forbes' own banding; GiveRate shows it as published.
Profile
- Age
- 85
- Residence
- San Francisco, California
- Industry
- Technology
- Source of wealth
- Dolby Laboratories
- Self-made
- No (inherited or family wealth)
- One-year change
- $5.0B (#301) in Sept. 2025 to $5.2B (#325) in Sept. 2026, a gain of 4%.
What the range means in dollars
Forbes gives Dagmar Dolby & family a philanthropy score of 4 out of 5, meaning lifetime giving equals 10% to 20% of current net worth. On a $5.2B fortune, that implies lifetime giving of roughly between $520M and $1.0B. 17 of the 400 share this score, 353 score lower and 13 score higher.
For scale: 10% to 20% of a $50,000 household income would be $5,000 to $10,000.
Giving on record
In September 2018, Dolby donated $20 million to UC San Francisco to establish the Dolby Family Center for Mood Disorders.
From the Forbes profile (Sept. 2026).
Others in Technology
- Elon Musk: Under 1% · $908B
- Jeff Bezos: 1–5% · $378B
- Larry Page: Under 1% · $278B
- Michael Dell: 1–5% · $263B
- Sergey Brin: 1–5% · $256B
- Mark Zuckerberg: 1–5% · $212B
Others in California
- Larry Page: Under 1% · $278B
- Sergey Brin: 1–5% · $256B
- Mark Zuckerberg: 1–5% · $212B
- Jensen Huang: Under 1% · $199B
- Eric Schmidt: 5–10% · $37.8B
- Henry Samueli: 1–5% · $33.8B
Questions
How much has Dagmar Dolby & family given to charity?
Forbes scores Dagmar Dolby & family 4 of 5 for philanthropy, meaning lifetime giving of 10% to 20% of net worth, roughly between $520M and $1.0B on a $5.2B fortune.
What is Dagmar Dolby & family's net worth?
Forbes estimates $5.2B as of September 2026, ranking #325 on the Forbes 400.
What is Dagmar Dolby & family's GiveRate?
10–20%. GiveRate is lifetime giving as a share of wealth, built from published Forbes figures. See giverate.org/methods/ for the method.

GiveRate is an estimate built only from the published figures above. Wealth and giving totals are themselves estimates. See methods. Spot an error? Request a correction. See all Forbes 400 (Sept. 2026) · Open in the interactive rankings · Calculate your own GiveRate