One Earth Philanthropy
One Earth connects thinkers, doers, activists, and knowledge holders from around the world to solve humanity's greatest ecological challenges--together. Our belief is simple: The solutions to the climate crisis already exist. By connecting people, resources, and ideas, we can unlock humanity's full problem-solving potential to build a just and thriving future for all.
One Earth Philanthropy at a glance
In short: One Earth Philanthropy gave $2.9M across 3 grants in 2025 (avg $982K), mostly in California. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $2,946,640
- +65.9% vs 2024
- Grants made (2025)
- 3
- -25.0% vs 2024
- Average grant
- $982,213
- +121.2% vs 2024
- Median grant
- $50,000
- Total assets
- $6,491,808
- +134.6% vs 2024
- Primary geography
- California (98% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated November 2026.
Who One Earth Philanthropy funds
How this funder distributes its grants
Top Recipients
Top 3 recipients in 2025
The largest 2025 recipient was Vibrant Data Labs ($2.9M). Together the top 3 received $2.9M.
Grant Size Distribution
56 grants across all recorded years
The most common grant size was under $50K: 40 grants of 56 (71%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 3 itemized grants.
States
Cities
How One Earth Philanthropy gives
- Giving grew 35% from 2022 to 2025. Method
From the foundation's IRS Form 990 filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $300K (2020) to $2.9M (2025). In 2025 it made 3 grants totaling $2.9M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Vibrant Data Labs Berkeley, CA | Climate Finance Tracker and Climate Solutions Opportunity Roadmap: To develop an interactive, visually searchable map of the corporate accountability ecosystem (focused on nature), including global and local NGOs | $2,891,250 |
| The Nature Conservancy Arlington, VA | GSN3: Mapping the least modified 50% of terrestrial surface (Least Modified Lands layer) | $50,000 |
| NEO Philanthropy New York, NY | Daughters for Earth projects | $5,390 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $6,491,808 | $9,615,055 | $6,000,043 | $2,946,640 | 3 | $7,522 |
| 2024 | $2,767,663 | $4,993,777 | $4,516,484 | $1,776,332 | 4 | $3,259 |
| 2023 | $2,369,875 | $5,051,054 | $5,823,179 | $985,455 | 7 | $-32,509 |
| 2022 | $4,706,240 | $5,345,643 | $5,488,167 | $2,178,340 | 33 | — |
| 2021 | $3,743,553 | $5,819,840 | $2,240,129 | $848,000 | 9 | — |
| 2020 | $10,030 | $310,100 | $300,070 | $300,000 | 2 | — |
About One Earth Philanthropy
Based on IRS filings
One Earth Philanthropy is a public charity focused on Environment & Animals, based in Los Angeles, CA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $6.5M in total assets. In 2025, it awarded 3 grants totaling $2.9M. Net investment income was $8K.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
One Earth Philanthropy is led by Justin Winters, President, Co-Founder, Executive Director & Board Member since 2024 (on filings since 2020); 5 of 14 officers listed in 2025 are compensated.
Officers on the 2025 filing
Justin Winters
President, Co-Founder, Executive Director & Board Member
Executive Director & Board Member → President, Co-Founder & Executive Director, 2021
President, Co-Founder & Executive Director → President, Co-Founder, Executive Director & Board Member, 2024
On filings since 2020
40 hrs/week
$148K (2021) → $262K (2025)
Brad Leibov
Board Chair
Board Vice Chair & Treasurer → Treasurer & Vice Chair, 2023
Treasurer & Vice Chair → Board Chair, 2024
On filings since 2020
1 hr/week
No compensation reported
Edward Bell
Digital Media Director
New on the 2025 filing
40 hrs/week
$103K (2025)
Jesse Ladner
Director of Operations
New on the 2025 filing
40 hrs/week
$105K (2025)
Kate Thomas
Director of Philanthropy & Partnerships
New on the 2025 filing
40 hrs/week
$109K (2025)
Karl Burkart
Co-Founder & Deputy Director
Deputy Director → Managing Director, 2023
Managing Director → Co-Founder & Deputy Director, 2024
On filings since 2021
40 hrs/week
$123K (2021) → $184K (2025)
Coretta Anderson
Treasurer
Board Member → Treasurer, 2024
On filings since 2020
1 hr/week
No compensation reported
Jay Halfon
Board Member
On filings since 2020
1 hr/week
No compensation reported
Jena King
Secretary
Board Member → Secretary, 2023
On filings since 2020
1 hr/week
No compensation reported
Rick Ridgeway
Board Member
Board Chair → Board Member, 2024
On filings since 2020
1 hr/week
No compensation reported
Rachel Rivera
Board Member
On filings since 2024
1 hr/week
No compensation reported
Sarah Woodhead
Board Member
On filings since 2024
1 hr/week
No compensation reported
Tenzin Seldon
Board Member
On filings since 2024
1 hr/week
No compensation reported
Will Peterffy
Board Member
New on the 2025 filing
1 hr/week
No compensation reported
Former officers (5)
- Former: Roberta Baskin (2020–2023) — Secretary
- Former: Spike Buckley (2020–2023) — Board Member
- Former: Nunavik Teal (2022–2023) — Program Manager
- Former: Zainab Salbi (2022–2023) — Co-Director & Dfe Campaign
- Former: Michele Hunt (2020–2021) — Board Member
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $262K, to Justin Winters (President, Co-Founder, ED, and Board Member). 5 officers or directors reported compensation on that filing.
Frequently asked questions about One Earth Philanthropy
How much does One Earth Philanthropy give each year?
One Earth Philanthropy gave $2.9M across 3 grants in 2025, according to its 2025 IRS Form 990. In 2024 it gave $1.8M across 4 grants.
What is One Earth Philanthropy's typical grant size?
One Earth Philanthropy's median grant in 2025 was $50,000, and its average grant was $982,213, across 3 grants on its 2025 IRS Form 990.
Where does One Earth Philanthropy give grants?
One Earth Philanthropy gives mostly in California: 98% of the grant dollars itemized on its 2025 IRS Form 990 went to recipients there.
Does One Earth Philanthropy give general operating support?
Not in 2025: none of the 3 grants with a stated purpose on One Earth Philanthropy's 2025 IRS Form 990 were described as general or operating support.
How large is One Earth Philanthropy?
One Earth Philanthropy reported $6.5M in total assets on its 2025 IRS Form 990. Its revenue that year was $9.6M.
What is One Earth Philanthropy?
One Earth Philanthropy is a public charity focused on Environment & Animals, based in Los Angeles, CA. It holds $6.5M in total assets as of 2025.
What is One Earth Philanthropy's EIN?
One Earth Philanthropy's EIN (Employer Identification Number) is 85-2588841. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated November 2026. Sourced from IRS Form 990 filings.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Added Form 990 for fiscal year 2025 (received by the IRS September 9, 2026)
- Updated Form 990 for fiscal year 2020 (received by the IRS November 12, 2021)
- Updated Form 990 for fiscal year 2021 (received by the IRS November 2, 2022)
- Updated Form 990 for fiscal year 2022 (received by the IRS November 8, 2023)
- Updated Form 990 for fiscal year 2023 (received by the IRS October 1, 2024)
- Updated Form 990 for fiscal year 2024 (received by the IRS October 1, 2025)
- IRS filings on file for fiscal years 2020–2024
Live grants for the work One Earth Philanthropy funds
Environment & Animals Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in One Earth Philanthropy's focus areas in our free grants database
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Figures come from One Earth Philanthropy's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
One Earth Philanthropy down — hundreds of funders to go?