Nonprofit · EIN 84-0532962
AMERICAN INSTITUTE OF PROFESSIONAL GEOLOGISTS
Tax-exempt · NORTHGLENN, CO 80234
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $549,928 | $817,409 | -$267,481 | $3,410,480 | $0 | $3,410,480 |
| December 31, 2024 | 990 | $526,780 | $934,782 | -$408,002 | $5,118,807 | $3,109,910 | $2,008,897 |
| December 31, 2023 | 990 | $804,134 | $916,149 | -$112,015 | $3,094,361 | $661,750 | $2,432,611 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $312,010
- Membership dues
- $183,294
- Program service revenue
- $204,195
- Investment income
- $33,723
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $412,931
- Other salaries and wages
- $10,086
- Salaries, compensation and benefits (total)
- $504,206
- Professional fundraising fees
- $0
- Legal fees
- $4,485
- Accounting fees
- $27,134
- Occupancy
- $36,373
- Travel
- $39,815
Balance sheet and other
- Total assets, start of year
- $3,252,388
- Total assets, end of year
- $3,410,480
- Total liabilities, end of year
- $0
- Net assets, end of year
- $3,410,480
- Gross receipts
- $549,928
- Employees
- 10
- Volunteers
- 0
- Year formed
- 1963
- State of legal domicile
- CO
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Aaron Johnson | Executive Director Trustee or director, Officer, Key employee, Highest-paid employee | 40 | $113,904 |
| Sara Pearson | President Trustee or director, Officer | 2 | $0 |
| Charles Drake | Presidnet Elect Trustee or director, Officer | 2 | $0 |
| Shanna Schmitt | Past President Trustee or director, Officer | 2 | $0 |
| Christopher Hogan | Vice President Trustee or director, Officer | 2 | $0 |
| Robert Andrews | Secretary Trustee or director, Officer | 2 | $0 |
| J Todd McFarland | Treasurer Trustee or director, Officer | 2 | $0 |
| Adam Heft | Editor Trustee or director | 2 | $0 |
| Hannah Weaver | Early Career Professional Trustee or director | 2 | $0 |
990 for the year ended December 31, 2024: 12 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Aaron W Johnson | Executive Dir. Officer | 40 | $113,904 |
| Adam Heft | Foundation Mgr. Trustee or director | 2 | $0 |
| Robert Andrews | Secretary Trustee or director, Officer | 2 | $0 |
| Shanna Schmitt | President Trustee or director | 2 | $0 |
| Sara K Pearson | President Trustee or director | 2 | $0 |
| J Todd McFarland | Vice President Trustee or director, Officer | 2 | $0 |
| Dawn Garcia | President Trustee or director | 2 | $0 |
| Mark Schaaf | Treasurer Trustee or director | 2 | $0 |
| Brigitte Petras | Foundation Mgr. Trustee or director | 2 | $0 |
| Mark Howell | Foundation Mgr. Trustee or director | 2 | $0 |
| Paula Leier-Engelhardt | Foundation Mgr. Trustee or director | 2 | $0 |
| Clint Noble | Foundation Mgr. Trustee or director | 2 | $0 |
990 for the year ended December 31, 2023: 14 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Jessica Davey | Past YP Member Trustee or director | 2 | $0 |
| Brigitte Petras | Early Career Professional Trustee or director, Institutional trustee | 2 | $0 |
| Adam Heft | Editor Trustee or director, Institutional trustee | 2 | $0 |
| Robert Andrews | Advisory Board Trustee or director | 1 | $0 |
| William Brab | Advisory Board Trustee or director | 1 | $0 |
| Andrews Jones | Advisory Board Trustee or director | 1 | $0 |
| Mehmet Pehlivan | Advisory Board Trustee or director | 1 | $0 |
| John Sorrell | Secretary Trustee or director, Institutional trustee | 2 | $0 |
| Dawn Garcia | President Trustee or director, Institutional trustee | 4 | $0 |
| Matthew Rhoades | Past President Trustee or director, Institutional trustee | 2 | $0 |
| Mark Schaaf | Treasurer Trustee or director, Institutional trustee | 2 | $0 |
| Dennis Pennington | Vice President Trustee or director, Institutional trustee | 2 | $0 |
| Shanna Schmitt | President Elect Trustee or director, Institutional trustee | 2 | $0 |
| Aaron W Johnson PHD | Executive Director Institutional trustee | 40 | $0 |
Address and contacts
- Address (IRS master file)
- 10701 MELODY DR STE 630, NORTHGLENN, CO 80234-4174
- Principal officer (990 for 2025)
- Aaron W Johnson, 10701 Melody Drive 630, Northglenn, CO 80234
- Signed the 990
- Aaron W Johnson, Executive Director
- Phone
- (303) 412-6205
- Website
- https://aipg.org/
- Return prepared by
- Brian W Bleifeld CPA
Mission
The American Institute of Professional Geologists (AIPG), founded in 1963, is the largest association dedicated to promoting geology as a profession. It presently has more than 5,000 members in the U.S. and abroad, organized into 35 regional Sections. The Institute adheres to the principles of professional responsibility and public service and is the only international organization that certifies the competence and ethical conduct of geological scientists in all branches of the science with members employed in industry, government, and academia. AIPG emphasizes competence, integrity and ethics. AIPG is an advocate for the profession and communicates regularly to federal and state legislators and agencies on matters pertaining to the geosciences.
Program accomplishments
- None0
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 84-0532962
- Tax-exempt status
- 501(c)(6): Business league or chamber of commerce
- Donations deductible
- No
- Exempt since
- 1968
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Group exemption
- 1914 (1 member organizations)
- Assets (IRS master file)
- $5,118,807
- Income (IRS master file)
- $526,780
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $549,928 | $817,409 | $3,410,480 | XML |
| 990 | December 2024 | $526,780 | $934,782 | $5,118,807 | XML |
| 990 | December 2023 | $804,134 | $916,149 | $3,094,361 | XML |
| 990 | December 2022 | $808,949 | $858,832 | $2,763,277 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2019 | – | – | – | IRS |
| 990 | December 2018 | – | – | – | IRS |
| 990 | December 2017 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 84-0532962).
Questions about AMERICAN INSTITUTE OF PROFESSIONAL GEOLOGISTS
- What is the EIN of AMERICAN INSTITUTE OF PROFESSIONAL GEOLOGISTS?
- The employer identification number (EIN) of AMERICAN INSTITUTE OF PROFESSIONAL GEOLOGISTS is 84-0532962.
- Is AMERICAN INSTITUTE OF PROFESSIONAL GEOLOGISTS tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 1968.
- Are donations to AMERICAN INSTITUTE OF PROFESSIONAL GEOLOGISTS tax-deductible?
- No. The IRS master file says contributions to it are not deductible.
- Which annual return does AMERICAN INSTITUTE OF PROFESSIONAL GEOLOGISTS file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of AMERICAN INSTITUTE OF PROFESSIONAL GEOLOGISTS due?
- The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did AMERICAN INSTITUTE OF PROFESSIONAL GEOLOGISTS last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who is the principal officer of AMERICAN INSTITUTE OF PROFESSIONAL GEOLOGISTS?
- The 990 for the year ended December 31, 2025 names Aaron W Johnson.
- Who are the officers and directors of AMERICAN INSTITUTE OF PROFESSIONAL GEOLOGISTS?
- The 990 for the year ended December 31, 2025 lists 9 people; 1 received compensation from the organization, the highest $113,904 (Aaron Johnson, Executive Director).
- How much revenue does AMERICAN INSTITUTE OF PROFESSIONAL GEOLOGISTS have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $549,928, expenses of $817,409 and total assets of $3,410,480 at year end.
Organizations in its group exemption (1)
- AMERICAN INSTITUTE OF PROFESSIONAL GEOLOGISTS EIN 84-6061199 · WESTMINSTER, CO · last filed 990 for 2022
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