Tree-Ring Society
Nonprofit profile at a glance
- EIN
- 811389847
- IRS 990-EZ coverage
- 2024–2025
- Forms available
- Form 990-EZ 2025, Form 990-N 2023
- Location
- Loveland, CO, USA
- Phone
- 5206618590
- Rating
- 72
- Verdict
- SUPPORTED
- Rating confidence
- Moderate
- Sector
- Professional Societies, Associations
Reported finances
- Revenue
- $77,783
- Expenses
- $57,572
- Assets
- $88,115
Source: IRS Form 990-EZ. Selected filing: tax year 2025. Amounts in USD.
Leadership & pay
7 people listed
Executive titles in this filing
- Jodi Axelson (President)
People named in this filing
- Jodi Axelson (President)
- Grant Harley (VictoPresident)
- Adam Csank (Treasurer)
Selected names, not a complete roster or a statement of current roles. Open leadership details for the complete filed list.
Source: IRS Form 990-EZ. Selected filing: tax year 2025. Names and roles reflect this filing, not necessarily current officeholders.
Overview
Mission
The Tree-Ring Society's purpose is to promote and support the science of Dendrochronology
What it reported doing in 2025
The Tree-Ring Society hold an annual week-long field school in varying different locations in which students and scientists participate in a variety of lectures, labs and field opportunities to learn and expand their knowledge in the field of Dendrochronology. It is a hands-on education which provides lodging, transportation, food, all education materials and equipment to use during the school. This school has approx.33 people in attendance and is ongoing
Operating model
- Revenue model
- Other-operating. 87% of the money available for current operations came from other operating revenue.
- Distribution model
- Direct operator. The filing allocates 100% of reported program-service expenses outside its grant, affiliate-payment, and member-benefit lines. This expense classification does not rule out separately announced grant awards.
The verdict
SUPPORTED - A large share of total spending goes to programs and the filed numbers largely add up. A relatively small share of available resources goes toward mission work and program spending has declined or grown slowly.
Rating breakdown
- Financial Efficiency: 66
- Transparency & Controls: 82
- Sustainability: 60
- Growth: 60
Detailed rating inputs
Financial Efficiency
- Mission deployment rate: 58.4%; rating input score 58
- Program expense ratio: 78.9%; rating input score 79
Transparency & Controls
- Consistency checks: 100%; rating input score 100; 51st percentile among comparable filings
- Major donor itemization: Limited
Sustainability
- Operating margin: 26%; rating input score 77; 77th percentile among comparable filings
- Total-asset coverage ratio: 1.53; rating input score 59; 59th percentile among comparable filings
- Liabilities to assets ratio: Limited
- Officer compensation ratio: 0%; rating input score 56; 56th percentile among comparable filings
Growth
- Program expense growth: -27.7% per year; rating input score 0; 15th percentile among comparable filings
- Revenue growth: 0.8% per year; rating input score 100; 53rd percentile among comparable filings
- Asset growth: 32.6% per year; rating input score 100; 91st percentile among comparable filings
Details
- Where the money goes: 58.4% of revenue deployed · 78.9% of spending went to programs
- Governance: Filed governance answers
- Accomplishments: 3 filed program accomplishments · $45K in reported program spending
- Leadership: top reported pay $0 · 7 people listed
- Consistency: 7 of 7 current checks pass
- Schedules: 2 filed schedules
- Filing history: 2 filing years from 2024 to 2025
- Contacts: How to reach this organization
- Grant readiness: Federal tax and exclusion status, award history, and grant-maker relationships.
- People: Everyone the filings name, and which of them the filings identify by more than a name.
Key Signals
Signals prioritize questions for review. They are not findings of misconduct.
- Review — Financial Efficiency: Mission deployment rate scored 58/100.
- High — Growth: Program expense growth scored 0/100.
- Review — Sustainability: Total-asset coverage ratio scored 59/100.
- Review — Sustainability: Officer compensation ratio scored 56/100.