Mission
TO IMPROVE THE UNDERSTANDING OF TREES AND THE PRACTICE OF ARBORICULTURE.
Public Charity
WISCONSIN ARBORIST ASSOCIATION
WISCONSIN ARBORIST ASSOCIATION, of EAGLE, WI, is a Public Charity tracked in Imperigo's IRS 990 database. The 2025 filing shows $547K in revenue, $452K in expenses, $1.3M in total assets. IRS filings disclose 4 grants awarded by this foundation, totaling roughly $25K.
EIN: 391458979
EAGLE, WI
Latest filing: 2025
Total Revenue$547K
Total Expenses$452K
Total Assets$1.3M
Grants Given4
Grant Total$25K
Filing Years2021–2025
Sample Grants Given
MATCHING GRANT
$5,000
UNIVERSITY OF WI STEVENS POINT
$10,000
Showing up to 5 of 4 total records — full history available with membership.
Officers & Directors
ISA REPRESENTATIVE
Aaron Schauer
PUBLICITY
Adam Alves
TREASURER
Dean Ziemienski
SECRETARY
Edgar Ezerietis
CERTIFICATION
Frank Seiheimer
PRESIDENT
Ian Brown
Officer compensation and complete director data available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $547K | $452K | $1.3M |
| 2024 | $423K | $410K | $1.2M |
| 2023 | $479K | $392K | $1.0M |
| 2022 | $259K | $301K | $904K |
| 2021 | $279K | $164K | $908K |
Between 2021 and 2025, reported annual revenue grew from $279K to $547K (+96%), with total assets most recently reported at $1.3M.
Interactive year-over-year charts and full filing details available with membership.
Grant Geography
Grants from this foundation were reported to recipients in IL, WI.
ILWI
Full geographic grant map with state-by-state breakdown available with membership.