International Society of Arboriculture

EIN: 371004119

Atlanta, GA

Total Revenue
$11,573,930
Total Expenses
$10,674,901
Total Assets
$15,617,040
Net Assets
$10,907,396
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Financial Vulnerability Assessment (Tuckman-Chang)

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Financial Trends

Organization Details

Formation Year
1924
Legal Domicile
IL
Principal Officer
Caitlyn Pollihan
Phone
4048929651
Tax Period
2024-01-01 to 2024-12-31

International Society of Arboriculture, founded in 1924, is a mid-sized nonprofit that reported $11.6M in total revenue in fiscal year 2024. Expenses of $10.7M left a modest 8% surplus.

Mission

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.

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Trantor Score

Financial Health Score (300–850) · Liquidity · Solvency · Sustainability · Efficiency

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Liquidity (40%) • Solvency (30%) • Sustainability (20%) • Efficiency (10%)

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Financial Overview (2024)

Revenue Breakdown

Contributions & Grants $3,063,393
Program Service Revenue $5,937,296
Investment Income $736,257
Other Revenue $1,836,984
TOTAL REVENUE $11,573,930

Expense Breakdown

Grants Paid $61,268
Salaries & Benefits $1,401,828
Fundraising Expenses $0
Program Expenses $6,932,037
Other Expenses $9,211,805
TOTAL EXPENSES $10,674,901

Year-over-Year Comparison

2024 2023 Change
Revenue $11,573,930 $10,747,280 +0.1%
Expenses $10,674,901 $9,882,585 +0.1%
Net Income $899,029 $864,695 +0.0%
Key Indicators
Grants to Organizations Grants to Individuals Lobbying Political Activity Foreign Activities Donor Advised Fund Schedule B Required
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Financial Health Indicators

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Liquidity & Cash Position

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Governance

Voting Members
15
Independent Members
15
Employees
42
Volunteers
1300

Governance Policies

Conflict of Interest Policy
Whistleblower Policy
Document Retention Policy

Special Practices & Reported Activities

Operated a School
Operated a Hospital
Provided First Class Travel
Reported Conflict of Interest
Reported Asset Diversion
Excess Benefit Transaction
Made Political Expenditures
Engaged in Lobbying
Operated Donor Advised Fund
Maintained Art Collections
Filed Form 720

Compensation of Officers, Directors & Key Employees

Total Officers
6
$388,638
Total Directors
20
$0
Key Employees
0
$0
Highest Compensated
5
reported
Name Title Hours/Week Role Reportable Comp Other Comp Total
Nicolaas Verloop President(Upto Oct 24) 15.00
Officer Director
$0 $0 $0
Thomas Smiley President 10.00
Officer Director
$0 $0 $0
Gail Nozal Vice President(Upto Oct 24) 5.00
Officer Director
$0 $0 $0
Randall Miller Secretary (Upto Oct 24) 5.00
Officer Director
$0 $0 $0
Sharon Jean-Philippe President- Elect 5.00
Officer Director
$0 $0 $0
Christopher Boza Treasurer 5.00
Director
$0 $0 $0
John Gathright Member(Upto Oct 24) 5.00
Director
$0 $0 $0
Carlos Llanos Rojas Member(Upto Oct 24) 5.00
Director
$0 $0 $0
John Coles Member 5.00
Director
$0 $0 $0
Samuel Ma Member 5.00
Director
$0 $0 $0
Tadashi Touchi Member 5.00
Director
$0 $0 $0
Susan Day Member 5.00
Director
$0 $0 $0
Jason Grabosky Member 5.00
Director
$0 $0 $0
Jessica Sanders Vice President 5.00
Director
$0 $0 $0
Michael Watson Member 5.00
Director
$0 $0 $0
Lori Brockelbank Member (Served October-December) 5.00
Director
$0 $0 $0
Rebecca Johnson Member (Served October-December) 5.00
Director
$0 $0 $0
Tim Walsh Member (Served October-December) 5.00
Director
$0 $0 $0
Stephen Lane Member (Served October-December) 5.00
Director
$0 $0 $0
Lauren Marshall Member (Served October-December) 5.00
Director
$0 $0 $0
Caitlyn Pollihan CEO & Executive Director 40.00
Officer
$359,703 $28,935 $388,638
Freddie Harroway Director of Finance 40.00
Highest
$132,600 $13,425 $146,025
Chastity Austin Director of Human Resources 40.00
Highest
$131,748 $16,237 $147,985
Luana Vargas Director of Credentialing 40.00
Highest
$126,776 $18,224 $145,000
Alice Bagley Director of Marketing 40.00
Highest
$118,310 $16,921 $135,231
Jamie Vidich Director of Educational Products 40.00
Highest
$116,931 $13,356 $130,287
Note: Compensation data is self-reported by the organization on their Form 990. "Reportable Comp" includes salary, bonuses, and other reportable compensation from the organization and related organizations. "Other Comp" includes benefits, deferred compensation, and non-taxable benefits.

Historical Data

Year Revenue Expenses Assets Net Income
2024 $11,573,930 $10,674,901 $15,617,040 $899,029
2023 $10,747,280 $9,882,585 $14,385,560 $864,695
2022 $10,071,372 $8,880,457 $12,667,373 $1,190,915
2021 $10,308,280 $7,222,912 $12,941,286 $3,085,368
2020 $7,156,880 $8,066,767 $10,397,561 $-909,887
2019 $8,987,074 $10,248,586 $11,767,254 $-1,261,512
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