Charity Search / EO WILSON BIODIVERSITY FOUNDATION
Environment (C60) IRS Verified DX Registered 990 on File

EO WILSON BIODIVERSITY FOUNDATION

EIN: 20-4547380 · HILLSBOROUGH, NC 27278-9744 · United States · FY 2024 Data
4 out of 5 74 / 100 Based on 2+ years of filings
Financial strength (30%) 70/100
Reliability (20%) 50/100
Effectiveness (25%) 83/100
Impact (25%) 90/100
Financial data: FY 2024 · Scored 9/13/2026
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EO WILSON BIODIVERSITY FOUNDATION logo
CharityAI™ Score
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Mission Statement

The E.O. Wilson Biodiversity Foundation’s mission is to reimagine the way we care for our planet. Given the current extinction rate, half of all species could be lost before the end of the century. Propelled by the ingenuity and optimism of our partners and communities around the globe and guided by the vision of world-renowned scientist E.O. Wilson, we are powering conservation action that ensures we leave no species behind.

Financial Overview — FY 2024
$2.6M
Total Revenue
$4.2M
Total Expenses
N/A
Net Assets
8
Employees
Expense Breakdown
Program Expense Ratio N/A
Fundraising Efficiency 100.0%
Operating Reserve N/A
Liability-to-Asset 26.6%
Revenue Diversification N/A
Executive Compensation $894K
Compared with Peers
FY 2024
Compared with 1,437 similar organizations (United States, Environment, $1M–$10M in expenses), FY 2024.
This organization Middle half of peers (P25–P75) Peer median
Ratio This org Peer median Position (P10 → P90)
Fundraising efficiency
Fundraising expenses / gross fundraising income · lower is better
100.0% 334.8%
P10P90
Above median
Liabilities to assets
Total liabilities / total assets · lower is better
26.6% 8.5%
P10P90
Bottom quarter
Revenue growth
Year over year revenue growth
-50.7% 11.6%
P10P90
Expense growth
Year over year expense growth
-15.7% 12.9%
P10P90
Surplus margin
Surplus as a share of revenue
-59.1% 4.5%
P10P90
Impact
3 programs
Outcome / Program People Served Cost / Service # Completed Duration
Annual number of students served by standards-aligned biodiversity curricula 250,000 $1.00 Per Day
Training workshops for educators and outreach activities and engagements on conservation 75 $1.00 Per Year
Training on Half-Earth Project Map and other geospatial resources 253,175 $1.00 Per Year
Financial History
Year Revenue Expenses Net Assets Program % Staff
2024 $2.6M $4.2M N/A 8
2023 $5.4M $5.0M $3.5M 75.8% 11
2022 $5.7M $4.7M $3.1M 80.1% 6
2021 $3.7M $5.2M N/A 6
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Organization Details
EIN
20-4547380
State
NC
City
HILLSBOROUGH
ZIP
27278-9744
Classification
C60
Category
Environment
Rating
4★
Coverage
A
Last Updated
Aug 2026
IRS Ruling Year
2008
Foundation Code
Form 990
On File
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