INTERNATIONAL SOCIETY FOR REEF STUDIES

EIN: 481109700 501(c)(3) Environment

Tavernier, FL

Total Revenue
$139,910
Total Expenses
$81,124
Total Assets
$504,246
Net Assets
$504,246
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Financial Vulnerability Assessment (Tuckman-Chang)

4 risk indicators measuring financial stability and operational resilience

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Financial Trends

Organization Details

Formation Year
1995
Legal Domicile
FL
Principal Officer
Anderson Mayfield
Phone
7868984447
Tax Period
2024-01-01 to 2024-12-31

INTERNATIONAL SOCIETY FOR REEF STUDIES, founded in 1995, is a small nonprofit in the Environment sector that reported $140K in total revenue in fiscal year 2024. Revenue fell 20% from the prior year — a significant decline worth monitoring. The organization ran a surplus of $59K, a strong 42% operating margin.

Mission

To advance the worldwide knowledge of coral reefs

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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 $90,053
Program Service Revenue $23,831
Investment Income $26,026
Other Revenue $0
TOTAL REVENUE $139,910

Expense Breakdown

Grants Paid $53,003
Salaries & Benefits $0
Fundraising Expenses $0
Program Expenses $81,124
Other Expenses $28,121
TOTAL EXPENSES $81,124

Year-over-Year Comparison

2024 2023 Change
Revenue $139,910 $175,874 -0.2%
Expenses $81,124 $100,580 -0.2%
Net Income $58,786 $75,294 -0.2%
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

Comprehensive financial analysis: Altman Z-Score, liquidity, solvency, sustainability, efficiency, and growth metrics

Financial Distress Indicator

Liquidity & Cash Position

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Altman Z-Score • Liquidity Ratios • Solvency Analysis • Growth Indicators • Efficiency Metrics

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Governance

Voting Members
20
Independent Members
N/A
Employees
N/A
Volunteers
5

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
5
$0
Total Directors
0
$0
Key Employees
0
$0
Highest Compensated
0
reported
Name Title Hours/Week Role Reportable Comp Other Comp Total
Christian Voolstra president 5
Officer
$0 $0 $0
Tracey Ainsworth Vice President 1
Officer
$0 $0 $0
Anderson Mayfield treasurer 20
Officer
$0 $0 $0
Mark Eakin corresponding secretary 5
Officer
$0 $0 $0
Anastazia Banaszak recording secretary 1
Officer
$0 $0 $0
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 $139,910 $81,124 $504,246 $58,786
2022 $242,090 $217,941 $370,090 $24,149
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