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Geological Society of America Inc

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 …

The Geological Society Of America

Science & Technology Boulder, CO EIN: 131659623 (IRS) Sign up to see website
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75
Integrity Assessment
Strong transparency
75/100 · methodology

About Geological Society of America Inc

Get the tools, confidence, and connections you need to advance your geoscience career. Join GSA.

Founded
Headquarters
Boulder, CO
Foundation type
Supporting organization (509(a)(3))
NTEE code
U03
IRS subsection
501(c)(03)
Ruling date

Verified certifications

Confirmed against the issuing authority - not self-reported.

IRS Tax-Deductible since 1932

Mission

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.

Focus areas & reach

· What they work on and where
Cause tags

How it stacks up against peers

· vs. 8 similar science & technology in United States
Program spending This charity: 60%
Peer average: 82%
CEO comp as % of revenue This charity: 1.20%
Peer average: 0.48%
Integrity Assessment This charity: 75
Peer average: 90

Concerns

· None found
No red flags found
Screened for IRS revocation history, Open investigations, Governance scandals, Related-party deals, Excessive exec comp.

Where every $1 goes

· FY2023 · IRS 990 (FY2023)
$0.60
Program$0.60

GiveRadar Analysis

Original analysis from GiveRadar's dataset of comparable organizations

Based on the records currently verified by GiveRadar, Geological Society of America Inc has a complete profile, cross-referenced across 3 independent sources including the IRS.

  • Established in 1888, it is among the oldest science & technology charities in the United States GiveRadar tracks. View this cohort
  • By reported annual revenue, it is larger than 93% of the 3,150 science & technology charities in the United States with financial records on GiveRadar. See the filings
  • GiveRadar has verified more about this organization than about 83% of the 7,611 science & technology charities in the United States it tracks, because GiveRadar has verified its financial disclosures and its governance. Most of those have little verified data on record yet. View this cohort
GiveRadar has verified
  • government registration
  • financial records (4 filed years)
  • disclosed leadership
  • a website
  • a contact email
  • a donation page
Not yet verified by GiveRadar
  • an owner-submitted profile claim

Analysis based on GiveRadar's benchmark dataset of 2026-07-03. It describes what GiveRadar has verified, not a judgment of the organization itself.

Common questions

· Auto-generated from filings + methodology

Geological Society of America Inc is a registered science & technology nonprofit based in Boulder, CO, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 1888 and has been operating for 138 years. Its EIN is 131659623. According to GiveRadar's records, it holds active tax-deductible status on the IRS Publication 78 list, which means donations are tax-deductible and the organization is in good standing with the IRS. GiveRadar's Integrity Assessment for the organization is 75/100, which reflects how much public information is available, not whether the charity is legitimate. The organization reports $11M in annual revenue. 74 officers and directors are publicly disclosed. No red flags have been detected.

Geological Society of America Inc's EIN (Employer Identification Number) is 131659623. This is the organization's IRS tax identification number; you can use it to verify tax-exempt status and to look up its Form 990 filings with the IRS.

Geological Society of America Inc has a GiveRadar Integrity Assessment of 75/100. This score combines five components: Registration (20 pts), Financial Transparency (30 pts), Governance (20 pts), Contact Availability (10 pts), and Data Recency (20 pts), with negative adjustments for any red flags. A score of 75 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. For comparison, the average integrity assessment for science & technology charities in United States is 90/100.

Geological Society of America Inc is located in Boulder, CO, United States. The organization was established in 1888 and has been active for 138 years. Its registered address is 3300 Penrose Pl, United States.

Based on official tax filings, Geological Society of America Inc has $11M in annual revenue. It allocates 60% of expenses to programs and services. This is below the average of 82% for science & technology charities in United States. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Geological Society of America Inc is classified as a Science & Technology organization, registered in United States. It operates as a Supporting organization (509(a)(3)). It has $11M in annual revenue. The organization has 74 disclosed officers and directors.

No red flags have been detected for Geological Society of America Inc. GiveRadar automatically screens charities for concerning patterns including high executive compensation, low program spending, and missing financial filings. Based on available official data, no issues have been identified.

According to GiveRadar's records, Geological Society of America Inc holds active tax-deductible status on the IRS Publication 78 list, which means donations are tax-deductible and the organization is in good standing with the IRS. It is registered with the Internal Revenue Service (IRS). It reports that 60% of expenses go to programs (the peer average is 82%). You can donate directly through their official donation page linked on their GiveRadar profile. GiveRadar provides data for research and does not endorse any organization. A GiveRadar Integrity Assessment reflects how much public data is available, not whether an organization is safe to donate to, so it is always smart to do your own research before giving.

Get the tools, confidence, and connections you need to advance your geoscience career. Join GSA. Geological Society of America Inc is classified as a science & technology organization registered in United States. The organization was founded in 1888.

Among science & technology charities registered in United States: It allocates 60% of expenses to programs, below the peer average of 82%. Its annual revenue of $11M is comparable to the peer average of $15M.

Yes, donations to Geological Society of America Inc are generally tax-deductible in the United States. Geological Society of America Inc is a 501(c)(3) tax-exempt organization. Its EIN is 131659623, which you can use for tax filing purposes. Donors can typically deduct contributions on their federal income tax return if they itemize deductions. Consult a tax professional for guidance specific to your situation.

Annual revenue
$10M-$100M
60% to programs
Source: IRS 990 (FY2023) why this matters
Unlock exact figures

Filing history

4 years on file from IRS 990 (FY2023): revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: FY2023, FY2022, FY2021, FY2020.
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Taxes

Tax-deductibility for donors

Donations may be tax-deductible for residents of United States under local rules. Confirm with the charity directly.

Always confirm tax treatment with the charity directly or your tax advisor before donating.

Staff & volunteers

From filings and published profiles

Employees
44

Leadership

From FY2023 filing

ME
Melanie B•••••
EXECUTIVE DIRECTOR

Officers & trustees (25)

Source: Public filings

See full names, roles, and stories

25 officers and trustees on file - free with a GiveRadar account.

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Latest news

From global news sources

No recent news coverage found

News coverage will appear here when articles mention this organization.

Activity timeline

Filings and press mentions, merged

Form filed
$10.7M revenue
FY2023
IRS 990
Form filed
$17.0M revenue
FY2022
IRS 990
Form filed
$8.8M revenue
FY2021
IRS 990
Form filed
$9.2M revenue
FY2020
IRS 990

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Cause areas in United States

How many charities work in each area, with this charity's area highlighted.

Human Services 322,679
Education 195,586
Arts & Culture 133,128
Advocacy & Civil Rights 128,026
Religion 114,636
Health 98,862
Community Development 56,086
Youth Development 53,450
Science & Technology this charity 7,612
See all cause areas in United States

Most common causes in United States

Causes charities work on most.

Community Development 235,146
Education 159,016
Religion 103,741
Arts & Culture 101,203
Human Rights 76,926
Health 65,250
Youth Development 47,775
Animal Welfare 32,425

Sources and verification

Registration and legal identity
Internal Revenue Service (IRS) - Tax Exempt Organization Search
Financial filings
IRS Form 990 filings - Fiscal year 2023 most recent on file.
Officers and trustees
Internal Revenue Service (IRS) - Tax Exempt Organization Search - 74 disclosed in the public registry.
Supplementary verification
Charity Navigator

Data freshness

Last updated
Jun 6, 2026
Registry checked
Jun 6, 2026
Profile completeness
90%

What we know and don't know

Exactly which public data we hold on this charity. Our score reflects transparency, not impact.

On record · 10
  • Financial data · FY2023 on record
  • Named leadership · 74 officers on file
  • Executive pay · Disclosed
  • Government registration · Registered with an official registry
  • Mission statement · Published
  • Official website · On record
  • Headquarters address · On file
  • Direct contact · Email or phone published
  • Tax-deductibility · Verified
  • Founding date · 1888
Not available · 1
  • Programs & activities
    No named programs listed by the charity

Methodology

GiveRadar builds each profile primarily from official government charity registries, supplemented where available by third-party nonprofit databases and news archives, and combines it into a single 0-100 integrity assessment. The exact sources for this charity are listed above. We don't take a cut of any donation, ever.

Read full methodology

Are you the owner or a board member?

If you represent this organization and want to correct or update its data, you can claim this listing to edit details yourself, or email [email protected] with the correct information. We review every request and respond within 30 days.

Quick facts about Geological Society of America Inc

What is Geological Society of America Inc?
Geological Society of America Inc is a science & technology supporting organization (509(a)(3)) based in Boulder, United States. Get the tools, confidence, and connections you need to advance your geoscience career. Join GSA.
When was Geological Society of America Inc founded?
Geological Society of America Inc was founded in 1888.
Who leads Geological Society of America Inc?
Melanie Brandt serves as EXECUTIVE DIRECTOR.
Where is Geological Society of America Inc located?
Headquartered in Boulder, CO, United States.
What is Geological Society of America Inc's annual budget?
Annual revenue for fiscal year 2023 is approximately $10M-$100M. 60% of expenses go to program services.
Is Geological Society of America Inc trustworthy?
Geological Society of America Inc has a GiveRadar Integrity Assessment of 75 out of 100 (Strong transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
What is Geological Society of America Inc's registration number?
IRS EIN: 131659623.
What is Geological Society of America Inc's website?
https://www.geosociety.org