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Nonprofit · EIN 45-3345338

ADVENTURERS AND SCIENTISTS FOR CONSERVATION

Tax-exempt (reinstated) · BOZEMAN, MT 59771

Financials

$2.8M$2.5M2023$1.6M$2.7M2024$2M$2.2M2025
Revenue Expenses · by fiscal year end
Financials of ADVENTURERS AND SCIENTISTS FOR CONSERVATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
March 31, 2026990$1,993,301$2,179,254-$185,953$1,962,901$213,585$1,749,316
March 31, 2025990$1,550,988$2,725,335-$1,174,347$2,179,679$244,410$1,935,269
March 31, 2024990 (amended)$2,758,385$2,497,904$260,481$3,410,060$300,855$3,109,205
Financial details: 990 for the year ended March 31, 2026

Revenue

Contributions, gifts and grants
$1,709,659
Program service revenue
$262,270
Investment income
$21,372
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$190,460
Other salaries and wages
$861,977
Salaries, compensation and benefits (total)
$1,230,449
Professional fundraising fees
$0
Legal fees
$21,546
Accounting fees
$20,000
Occupancy
$33,449
Travel
$89,509
Depreciation
$70,685
Program services (functional)
$1,596,275
Management and general (functional)
$446,281
Fundraising (functional)
$136,698

Balance sheet and other

Total assets, start of year
$2,179,679
Total assets, end of year
$1,962,901
Total liabilities, end of year
$213,585
Net assets, end of year
$1,749,316
Publicly traded securities
$380,677
Net assets without donor restrictions
$762,501
Net assets with donor restrictions
$986,815
Gross receipts
$1,993,301
Employees
18
Volunteers
680
Year formed
2014
State of legal domicile
MT

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 March 31, 2026, highest compensation first.

NameTitleHours / weekCompensationOther / benefits
GREGG TREINISHExecutive Dir.
Trustee or director, Officer
40$154,516$32,958
Nathan TrappeHEAD OF PROGRAMS40$110,724$0
KATHERINE MAHERDirector
Trustee or director
2$0$0
PETER MOLNARDirector
Trustee or director
2$0$0
SALEEM ALIDirector
Trustee or director
2$0$0
MIKE HERRINGTreasurer
Trustee or director, Officer
2$0$0
ANN CURRYVice Chair
Trustee or director, Officer
2$0$0
990 for the year ended March 31, 2025: 11 people
NameTitleHours / weekCompensationOther / benefits
GREGG TREINISHExecutive Dir.
Trustee or director, Officer
40$148,356$14,713
LUIS PABON ZAMORAHEAD OF STRATEGIC40$130,577$14,458
LYDIA FREEMANCHIEF OF STAFF40$119,275$13,474
JOSEPHINE ROBERTShead of develop.40$102,341$5,626
CATHERINE WORKMANHEAD OF PROGRAMS40$104,070$0
KATHERINE MAHERChair
Trustee or director, Officer
4$0$0
PETER MOLNARDirector
Trustee or director
2$0$0
SALEEM ALIDirector
Trustee or director
2$0$0
MIKE HERRINGTreasurer
Trustee or director, Officer
2$0$0
ANN CURRYDirector
Trustee or director
2$0$0
SCOTT AMARODirector
Trustee or director
2$0$0
990 for the year ended March 31, 2024: 8 people
NameTitleHours / weekCompensationOther / benefits
GREGG TREINISHEXECUTIVE DIRECTOR
Trustee or director, Officer
40$151,966$9,278
LUIS PABON ZAMORAHEAD OF STRATEGIC PARTNERSHIPS
Highest-paid employee
40$125,285$4,385
KATHERINE MAHERCHAIR
Trustee or director, Officer
2$0$0
ANN CURRYVICE CHAIR
Trustee or director, Officer
2$0$0
PETER MOLNARSECRETARY
Trustee or director, Officer
2$0$0
MIKE HERRINGTREASURER
Trustee or director, Officer
2$0$0
SCOTT AMERODIRECTOR
Trustee or director
2$0$0
SALEEM ALIDIRECTOR
Trustee or director
2$0$0

Address and contacts

Address (IRS master file)
PO BOX 1834, BOZEMAN, MT 59771-1834
In care of
% GREGG TREINISH
Mailing address (990-N for 2014)
PO BOX 1834, BOZEMAN MT 59771
Principal officer (990 for 2025)
GREGG TREINISH, PO BOX 1834, BOZEMAN, MT 59771
Principal officer (990-N for 2014)
GREGG TRIENISH, PO BOX 1834, BOZEMAN MT 59714
Signed the 990
GREGG TREINISH, Executive Director
Phone
(406) 624-3320
Return prepared by
Rudd & Company PLLC

Mission

we ensure the availability of critical field data that accelerates conservation and climate solutions. we achieve our mission by mobilizing and training outdoor enthusiasts and local communities to collect high-quality scientific data that are difficult to access, require too large a scale, or are too costly to obtain with traditional methods.

990 for the year ended March 31, 2026

Program accomplishments

  • gathering difficult-to-obtain data to address the world's most pressing environment and human health challenges in which access to physical data is crucial to resolving them.Data collection is often expensive, time-consuming, and physically demanding, limiting the availability of critical scientific information. Adventure Scientists addresses this by designing and delivering field data efforts that train and mobilize outdoor enthusiasts and local communities to collect rigorous, decision-grade data in places that would otherwise remain unmeasured, advancing conservation goals.
    Expenses $1,596,275 · revenue $262,270

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 March, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025March 31, 2026August 17, 2026990 on file
2024March 31, 2025August 15, 2025990 on file
2023March 31, 2024August 15, 2024990 on file

IRS record

EIN
45-3345338
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2014
Accounting year ends
March
Files
Form 990 or 990-EZ
Category (NTEE)
Environment (C20)
Assets (IRS master file)
$1,962,901
Income (IRS master file)
$1,993,301

Revocation and reinstatement

Exemption revoked
May 15, 2014
Posted by the IRS
January 5, 2015
Reinstated
Effective May 15, 2014

From the IRS automatic revocation list: organizations that did not file a required return or e-Postcard for three consecutive years.

Filing history

FormYear endedRevenueExpensesAssetsReturn
990March 2026$1,993,301$2,179,254$1,962,901XML
990March 2025$1,550,988$2,725,335$2,179,679XML
990March 2024$2,758,385$2,497,904$3,410,060XML
990March 2023$765,502$502,388$2,974,288IRS
990December 2022$2,176,085$1,917,896$2,715,169IRS
990December 2021–––IRS
990December 2020–––IRS
990December 2019–––IRS
990December 2018–––IRS
990-N for 2014
Officer: GREGG TRIENISH
December 31, 2014≤ $50,000 receipts––e-Postcard

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 45-3345338).

Questions about ADVENTURERS AND SCIENTISTS FOR CONSERVATION

What is the EIN of ADVENTURERS AND SCIENTISTS FOR CONSERVATION?
The employer identification number (EIN) of ADVENTURERS AND SCIENTISTS FOR CONSERVATION is 45-3345338.
Is ADVENTURERS AND SCIENTISTS FOR CONSERVATION tax-exempt?
Yes. The IRS revoked its exemption on May 15, 2014 and reinstated it effective May 15, 2014.
Are donations to ADVENTURERS AND SCIENTISTS FOR CONSERVATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does ADVENTURERS AND SCIENTISTS FOR CONSERVATION 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 ADVENTURERS AND SCIENTISTS FOR CONSERVATION due?
The return for tax year 2026 (the year ending March 31, 2027) is due August 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did ADVENTURERS AND SCIENTISTS FOR CONSERVATION last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended March 2026.
Who is the principal officer of ADVENTURERS AND SCIENTISTS FOR CONSERVATION?
The 990 for the year ended March 31, 2026 names GREGG TREINISH.
Who are the officers and directors of ADVENTURERS AND SCIENTISTS FOR CONSERVATION?
The 990 for the year ended March 31, 2026 lists 7 people; 2 received compensation from the organization, the highest $154,516 (GREGG TREINISH, Executive Dir.).
How much revenue does ADVENTURERS AND SCIENTISTS FOR CONSERVATION have?
On its 990 for the year ended March 31, 2026 it reported revenue of $1,993,301, expenses of $2,179,254 and total assets of $1,962,901 at year end.

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