Skip to main content

International Society of Arboriculture

EIN: 37-1004119Atlanta, GAZIP: 30303
501(c)(5)

Mission

Through research, technology, and education, the International Society of Arboriculture will promote the professional practice of arboriculture and foster a greater worldwide awareness of the benefits of trees.

Financials

YearRevenueExpensesAssets
2024$11.6M$0$15.6M
2023$10.7M$0$14.4M

Compensation

2024

Caitlyn Pollihan
$357,103
$2,600
$0
$388,638
Freddie Harroway
$0
$0
$0
$146,025
Jason Grabosky
$0
$0
$0
$0
Michael Watson
$0
$0
$0
$0
Tadashi Touchi
$0
$0
$0
$0
Susan Day
$0
$0
$0
$0
John Coles
$0
$0
$0
$0
Jessica Sanders
$0
$0
$0
$0
Christopher Boza
$0
$0
$0
$0
Samuel Ma
$0
$0
$0
$0
Sharon Jean-Philippe
$0
$0
$0
$0
Carlos Llanos Rojas
$0
$0
$0
$0
John Gathright
$0
$0
$0
$0

2023

Caitlyn Pollihan
$290,416
$0
$0
$312,041
Susan Day
$0
$0
$0
$0
Jason Grabosky
$0
$0
$0
$0
Jessica Sanders
$0
$0
$0
$0
Michael Watson
$0
$0
$0
$0
Nicolaas Verloop
$0
$0
$0
$0
Randall Miller
$0
$0
$0
$0
Sharon Jean-Philippe
$0
$0
$0
$0
Christopher Boza
$0
$0
$0
$0
John Gathright
$0
$0
$0
$0
Carlos Llanos Rojas
$0
$0
$0
$0
John Coles
$0
$0
$0
$0
Samuel Ma
$0
$0
$0
$0
Tadashi Touchi
$0
$0
$0
$0

Explore related organizations

Similar Organizations

$11.7M revenue
Very similar revenue ($11.7M vs $11.6M)Same state (Georgia)Similar median compensation ($150k vs $140k)
$12.7M revenue
Very similar revenue ($12.7M vs $11.6M)Same state (Georgia)Similar median compensation ($154k vs $140k)
$10.5M revenue
Very similar revenue ($10.5M vs $11.6M)Same state (Georgia)Similar median compensation ($133k vs $140k)
CaringWorks Inc

Decatur, GA

$11.3M revenue
Very similar revenue ($11.3M vs $11.6M)Same state (Georgia)Comparable compensation levels
$11.5M revenue
Very similar revenue ($11.5M vs $11.6M)Same state (Georgia)Comparable compensation levels
$10.7M revenue
Very similar revenue ($10.7M vs $11.6M)Same state (Georgia)
TMSA INC

College Park, GA

$11.9M revenue
Very similar revenue ($11.9M vs $11.6M)Same state (Georgia)
$12M revenue
Very similar revenue ($12M vs $11.6M)Same state (Georgia)
$10.5M revenue
Very similar revenue ($10.5M vs $11.6M)Same state (Georgia)
Very similar revenue ($10.8M vs $11.6M)Same state (Georgia)

Learn more

Data from IRS Form 990 filings (2023-2024).