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Public 990 Summary

GEOLOGICAL SOCIETY OF AMERICA INC

EIN 131659623 · Latest tax year 2025 · Usable public filing summary

BOULDER, CO · Science and Technology · geosociety.org

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GEOLOGICAL SOCIETY OF AMERICA INC has a public Form 990 profile, but an AlignMint donation portal is not live yet. Review the public filing signals and share the claim link with the nonprofit if the profile should be activated.

Program ratio

Not enough public data

Fundraising ratio

0%

Admin ratio

Not enough public data

Program ratio estimates the share of reported expenses used for programs. Fundraising ratio estimates fundraising expense share. Admin ratio estimates management and general expense share when the public fields reconcile.

View previous 990s on ProPublica

Public filing snapshot

Ratios use reported functional expenses when available and are only derived when the public fields reconcile with total expenses.

Total revenue$14,634,212
Contributions and grants$2,961,782
Program service revenue$4,173,389
Other revenue$4,437,412
Total expenses$13,745,675
Grants paid$1,566,146
Salaries and compensation$5,500,653
Program ratioNot reported
Fundraising ratio0%
Admin ratioNot reported
Total assets$57,232,505
Net assets$54,582,303
Total liabilities$2,650,202

Filing history

Recent prepared public snapshots appear here as the directory rollup processes more 990 filings. Use the ProPublica link for the full public filing archive when a prior year is not shown yet.

990 2025

Revenue: $14,634,212
Expenses: $13,745,675
Program ratio: Not reported

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Latest public tax year: 2025. Ask for newer financials if the organization has not filed a recent 990 yet.

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Review the spending mix

Program ratio: Not enough public data. Fundraising ratio: 0%. Admin ratio: Not enough public data.

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Mission and programs

THE GEOLOGICAL SOCIETY OF AMERICA WAS FOUNDED TO ADVANCE THE SCIENCE OF GEOLOGY, ENHANCE THE PROFESSIONAL GROWTH OF ITS MEMBERS AND TO PROMOTE THE GEOSCIENCES IN THE SERVICE OF HUMANKIND AND STEWARDSHIP OF THE EARTH.

Public leadership

Public Form 990 officer rows; not a staff or contact directory.

NATHAN NIEMI

PRESIDENT

3 hours/week · Reportable compensation: $0

GLENN THACKRAY

PRESIDENT-ELECT

3 hours/week · Reportable compensation: $0

CHRISTOPHER BAILEY

PAST PRESIDENT

3 hours/week · Reportable compensation: $0

BRIAN KATZ

TREASURER

3 hours/week · Reportable compensation: $0

MADISON RAFTER

SAC CHAIR

3 hours/week · Reportable compensation: $0

MATTHEW DORSEY

SAC IMMEDIATE PAST CHAIR

3 hours/week · Reportable compensation: $0

Public filing sources

View previous 990s and source filings on ProPublica
irs_990_cache

Tax year 2025 · Source 202611349349309391 · Parser opportunity-intelligence-financials-v1

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Nonprofit health check FAQ

This page is educational and based on public or submitted information. It is not legal, tax, accounting, or financial advice.

Before you give

  • Latest public filing year: 2025.
  • Public data coverage: Usable public filing summary.
  • Review the mission, program services, and whether the filing matches the programs you want to support.
  • Ask about recent program outcomes and current financials when the public filing is older.

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