Comprehensive foundation profile based on the most recent IRS Form 990 filing
The Tansy Charitable Foundation, based in New York, NY, is a significant philanthropic organization with assets totaling $465,013,138. The foundation focuses on funding initiatives related to the environment and natural resources. In the most recent fiscal year, it reported expenses of $32,066,607 and revenue of $93,214,050. The foundation supports projects in various cities across the United States, including Atlanta, Berkeley, Boston, Cambridge, Fairfax, Livermore, Minneapolis, New York, Oakland, Pleasanton, and San Francisco. It operates in several states, namely California, Georgia, Massachusetts, Minnesota, New York, and Virginia. The foundation's leadership includes Eric Wepsic, who serves as a trustee, dedicating a minimal amount of time to the role without compensation.
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Financials
+2.6% from previous year
6 grants awarded in 2024
Of total revenue spent on programs
Grants
| Purpose | Location | |||
|---|---|---|---|---|
| $15,500,000 | GIVEWELL | GENERAL USE | Oakland, CA, US | 2024 |
| $11,000,000 | GIVEWELL | GENERAL USE | Oakland, CA, US | 2023 |
| $7,000,000 | PARTNERS IN HEALTH | GENERAL USE | Boston, MA, US | 2023 |
| $7,000,000 | PARTNERS IN HEALTH | GENERAL USE | Boston, MA, US | 2024 |
| $5,000,000 | THE CARTER CENTER | GENERAL USE | Atlanta, GA, US | 2024 |
| $4,000,000 | THE CARTER CENTER | GENERAL USE | Atlanta, GA, US | 2023 |
| $3,600,000 | GIVEWELL | GENERAL USE | Oakland, CA, US | 2022 |
| $3,500,000 | HARVARD UNIVERSITY | GENERAL USE | Cambridge, MA, US | 2022 |
| $3,500,000 | PARTNERS IN HEALTH | GENERAL USE | Boston, MA, US | 2022 |
| $2,500,000 | COMMUNITY PARTNERS INTERNATIONAL | GENERAL USE | San francisco, CA, US | 2023 |
People
Compensation data from most recent available 990 forms
| Title | |||
|---|---|---|---|
EW
ERIC WEPSIC
| TRUSTEE | $0 | 2024 |
ERIC WEPSIC
TRUSTEE
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Financial data sourced from IRS 990 forms via ProPublica Nonprofit Explorer
View on ProPublica Nonprofit ExplorerLast updated on August 25, 2025