International Society of Arboriculture
Data sourced from IRS 990 public filings
International Society of Arboriculture Through research, technology, and education, the International Society of Arboriculture (ISA) will promote the professional practice of arboriculture and foster a greater worldwide awareness of the benefits of trees.
Annual Revenue
$11,573,930
Known Funders
1
Grants Received
1
Financial History
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2024 | $11,573,930 | $10,674,901 | $15,617,040 |
| 2023 | $10,747,280 | $9,882,585 | $14,385,560 |
| 2022 | $10,071,372 | $8,880,457 | $12,667,373 |
| 2021 | $10,308,280 | $7,222,912 | $12,941,286 |
| 2019 | $7,156,880 | $8,066,767 | $10,397,561 |
| 2018 | $8,987,074 | $10,248,586 | $11,767,254 |
| 2017 | $7,215,455 | $7,005,194 | $9,964,183 |
| 2016 | $6,996,011 | $6,865,291 | $9,881,510 |
Top Funders
Kansas City, MO
Key Personnel
From 2024 IRS 990 filing
Jamie Vidich
Director of Educational Products
Alice Bagley
Director of Marketing
Luana Vargas
Director of Credentialing
Chastity Austin
Director of Human Resources
Freddie Harroway
Director of Finance
Caitlyn Pollihan
CEO & Executive Director
Lauren Marshall
Member (Served October-December)
Nicolaas Verloop
President(Upto Oct 24)
Thomas Smiley
President
Gail Nozal
Vice President(Upto Oct 24)
Showing 10 of 26 key personnel.
Frequently Asked Questions
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