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Ronda Stryker

5–10%

Ronda Stryker has given an estimated 5–10% of current net worth ($7.1B), based on Forbes' philanthropy score.

GiveRate

5–10%

Net worth

$7.1B

Stated lifetime giving

Not stated

Forbes 400

#241 · Medical equipment · Portage, Michigan

Status

Source-reported range

Sources

Forbes 400 profile · Sept. 2026

The math

Forbes philanthropy score 3 of 5: lifetime giving is 5–10% of current net worth. The range is Forbes' own banding; GiveRate shows it as published.

Profile

Age

72

Residence

Portage, Michigan

Industry

Healthcare

Source of wealth

Medical equipment

Self-made

No (inherited or family wealth)

One-year change

$8.6B (#157) in Sept. 2025 to $7.1B (#241) in Sept. 2026, a drop of 17%.

What the range means in dollars

Forbes gives Ronda Stryker a philanthropy score of 3 out of 5, meaning lifetime giving equals 5% to 10% of current net worth. On a $7.1B fortune, that implies lifetime giving of roughly between $355M and $710M. 38 of the 400 share this score, 315 score lower and 30 score higher.

For scale: 5% to 10% of a $50,000 household income would be $2,500 to $5,000.

Giving on record

In 2016 the couple pledged $20 million to the Harvard Medical School Department of Global Health and Social Medicine to support equitable health care.

From the Forbes profile (Sept. 2026).

Others in Healthcare

• Thomas Frist, Jr. & family: 1–5% · $33.6B
• Robert Duggan: Under 1% · $13.4B
• Charlie Mills: Under 1% · $11.0B
• Patrick Soon-Shiong: 1–5% · $10.3B
• Li Ge: Under 1% · $10.1B
• Carl Cook: Under 1% · $8.8B

Others in Michigan

• Daniel Gilbert: Under 1% · $22.9B
• Roger Penske: Under 1% · $11.8B
• Marian Ilitch & family: 1–5% · $7.6B
• Mat Ishbia: Under 1% · $6.7B
• Doug Meijer & family: 1–5% · $6.2B
• Hank Meijer & family: 1–5% · $6.2B

Questions

How much has Ronda Stryker given to charity?

Forbes scores Ronda Stryker 3 of 5 for philanthropy, meaning lifetime giving of 5% to 10% of net worth, roughly between $355M and $710M on a $7.1B fortune.

What is Ronda Stryker's net worth?

Forbes estimates $7.1B as of September 2026, ranking #241 on the Forbes 400.

What is Ronda Stryker's GiveRate?

5–10%. 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