Mission
TO PROVIDE EDUCATIONAL PROGRAMS ON CONSERVATION.
Public Charity
STILLMAN NATURE CENTER
STILLMAN NATURE CENTER, of SOUTH BARRINGTON, IL, is a Public Charity tracked in Imperigo's IRS 990 database. The 2025 filing shows $279K in revenue, $157K in expenses, $6.3M in total assets. 1 publicly reported grants to this organization, totaling roughly $68K, appear in IRS filings.
EIN: 363182273
SOUTH BARRINGTON, IL
Latest filing: 2025
Total Revenue$279K
Total Expenses$157K
Total Assets$6.3M
Grant Records1
Funding Total$68K
Filing Years2021–2025
Sample Grants Received
GENERAL OPERATING SUPPORT
$67,850
Showing up to 5 of 1 total records — full history available with membership.
Officers & Directors
DIRECTOR
Bill Washer
DIRECTOR
Doug Saylor
VICE PRESIDENT
James Kaltsas
DIRECTOR
Joy Sweet
SECRETARY
Kristi Overgaard
TREASURER
Michael Levin
Officer compensation and complete director data available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $279K | $157K | $6.3M |
| 2024 | $201K | $141K | $6.1M |
| 2023 | $131K | $147K | $5.9M |
| 2022 | $161K | $141K | $5.7M |
| 2021 | $147K | $128K | $6.0M |
Between 2021 and 2025, reported annual revenue grew from $147K to $279K (+90%), with total assets most recently reported at $6.3M.
Interactive year-over-year charts and full filing details available with membership.