STILLMAN NATURE CENTER
Data sourced from IRS 990 public filings
STILLMAN NATURE CENTER The Stillman Nature Center is a private, non-profit center for environmental education, located on 80 acres of woods, lake and prairie in South Barrington, Illinois.
General Population
Local (City/County Level)
Direct Service Delivery
Education & Awareness
Environment
Conservation & Land Protection
Education
Annual Revenue
$201,385
Known Funders
4
Grants Received
8
Financial History
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2024 | $201,385 | $140,741 | $6,123,367 |
| 2023 | $131,069 | $146,829 | $5,881,013 |
| 2022 | $160,919 | $141,137 | $5,720,097 |
| 2021 | $146,657 | $128,153 | $6,046,836 |
| 2020 | $128,004 | $120,817 | $5,785,126 |
| 2019 | $198,458 | $126,315 | $5,679,644 |
| 2018 | $152,125 | $119,387 | $5,316,284 |
| 2017 | $119,730 | $119,350 | $5,493,784 |
Top Funders
MARGUERITE DELANY HARK FOUNDATION
VENICE, FL
$15,000 (2024)
MARGUERITE DELANY HARK FOUNDATION
VENICE, FL
$10,000 (2023)
$2,500 (2022)
$2,500 (2023)
NOGWOG FUND NFP
DEER PARK, IL
$500 (2024)
NOGWOG FUND NFP
DEER PARK, IL
$500 (2023)
NOGWOG FUND NFP
DEER PARK, IL
$500 (2021)
Unknown foundation
$70 (2023)
Key Personnel
From 2024 IRS 990 filing
J
JAMES KALTSAS
VICE PRESIDENT
Officer
K
KRISTI OVERGAARD
SECRETARY
Officer
M
MICHAEL LEVIN
TREASURER
Officer
S
SUE KOWALL
DIRECTOR
J
JOY SWEET
DIRECTOR
N
NAT BILSKY
DIRECTOR
S
SUSAN LAUGAL
DIRECTOR
B
BILL WASHER
DIRECTOR
D
DOUG SAYLOR
DIRECTOR
R
ROBERT CLAUSS
DIRECTOR
Showing 10 of 21 key personnel.
Frequently Asked Questions
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