Gibbs Society of Biological Thermodynamics

Nonprofit profile at a glance

EIN
043615915
IRS 990-EZ coverage
2021–2025
Forms available
Form 990-EZ 2025, Form 990-N 2007
Location
Charlottesville, VA, USA
Phone
9135887033
Rating
84
Verdict
STRONG
Rating confidence
Moderate
Sector
Biological & Life Sciences

Reported finances

Revenue
$65,485
Expenses
$56,738
Assets
$70,050

Source: IRS Form 990-EZ. Selected filing: tax year 2025. Amounts in USD.

Leadership & pay

8 people listed

Executive titles in this filing

  • Aron W Fenton PhD (Vice President)
  • Sarah Bondos PhD (Past President)
  • Nick Fitzkee PhD (President)
  • Ernie Fuentes PhD (President-Elect)

People named in this filing

  • Aron W Fenton PhD (Vice President)
  • Liskin Swint-Kruse PhD (Member-at-Large)
  • Sarah Bondos PhD (Past President)

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

Sponsor a scientific conference

What it reported doing in 2025

Annual Gibbs Conference on Biothermodynamics: This scientific conference includes approzimately 300 professors, postdoctoralfellow and students. Presentations occur over 4 days.

Operating model

Revenue model
Mixed. Its operating money came from several sources; no one source provided a clear majority.
Distribution model
Member-benefit provider. The nonprofit used 100% of its reported program spending for member benefits.

The verdict

STRONG - A large share of available resources goes toward mission work and the filed numbers largely add up. Total assets are small relative to annual expenses; liquid coverage is unknown and reported officer compensation is a large share of total spending, which may reflect staffing concentration.

Rating breakdown

  • Financial Efficiency: 88
  • Transparency & Controls: 82
  • Sustainability: 53
  • Growth: 100

Detailed rating inputs

Financial Efficiency

  • Mission deployment rate: 83.2%; rating input score 83
  • Program expense ratio: 96.1%; rating input score 96

Transparency & Controls

  • Consistency checks: 100%; rating input score 100; 51st percentile among comparable filings
  • Major donor itemization: Limited

Sustainability

  • Operating margin: 13.4%; rating input score 65; 65th percentile among comparable filings
  • Total-asset coverage ratio: 1.23; rating input score 53; 53rd 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: 23.2% per year; rating input score 100; 83rd percentile among comparable filings
  • Revenue growth: 25% per year; rating input score 100; 92nd percentile among comparable filings
  • Asset growth: 2.9% per year; rating input score 100; 49th percentile among comparable filings

Details

  • Where the money goes: 83.2% of revenue deployed · 96.1% of spending went to programs
  • Governance: Filed governance answers
  • Accomplishments: 1 filed program accomplishment · $55K in reported program spending
  • Leadership: top reported pay $0 · 8 people listed
  • Consistency: 7 of 7 current checks pass
  • Schedules: 2 filed schedules
  • Filing history: 5 filing years from 2021 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 — Sustainability: Total-asset coverage ratio scored 53/100.
  • Review — Sustainability: Officer compensation ratio scored 56/100.