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Nonprofit · EIN 52-1770068

NATIONAL WHISTLEBLOWER CENTER

Tax-exempt · WASHINGTON, DC 20036

Financials

$425K$457K2023$440K$480K2024$330K$270K2025
Revenue Expenses · by fiscal year end
Financials of NATIONAL WHISTLEBLOWER CENTER by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$329,820$270,429$59,391$8,310$18,043-$9,733
December 31, 2024990$439,947$479,716-$39,769$36,291$105,415-$69,124
December 31, 2023990$424,914$457,367-$32,453$44,809$74,164-$29,355
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$323,983
Program service revenue
$0
Investment income
$9
Other revenue
$5,828

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$27,692
Other salaries and wages
$67,234
Salaries, compensation and benefits (total)
$107,856
Professional fundraising fees
$0
Accounting fees
$35,855
Program services (functional)
$193,299
Management and general (functional)
$55,307
Fundraising (functional)
$21,823

Balance sheet and other

Total assets, start of year
$36,291
Total assets, end of year
$8,310
Total liabilities, end of year
$18,043
Net assets, end of year
-$9,733
Net assets without donor restrictions
-$9,733
Gross receipts
$329,820
Employees
4
Volunteers
20
Year formed
1992
State of legal domicile
DC

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.

NameTitleHours / weekCompensation
SIRI TURNERExecutive Dir.
Officer
40$27,692
MARY JANE WILMOTHTreas & Sec
Trustee or director, Officer
8$0
JANE TURNERDirector
Trustee or director
1$0
DR MARK TONEYDirector
Trustee or director
1$0
DR FREDERIC WHITEHURSTDirector
Trustee or director
1$0
DR GINA GREENDirector
Trustee or director
1$0
MICHAEL KOHNPresident
Trustee or director, Officer
1$0
STEPHEN KOHNChair
Officer
5$0
990 for the year ended December 31, 2024: 9 people
NameTitleHours / weekCompensationOther / benefits
SIRI TURNERExecutive Dir.
Officer
40$160,000$22,358
MARY JANE WILMOTHTreas & Sec
Trustee or director, Officer
8$0$0
JANE TURNERDirector
Trustee or director
1$0$0
DR MARK TONEYDirector
Trustee or director
1$0$0
DR FREDERIC WHITEHURSTDirector
Trustee or director
1$0$0
DR GINA GREENDirector
Trustee or director
1$0$0
MICHAEL KOHNPresident
Trustee or director, Officer
1$0$0
STEPHEN KOHNChair
Officer
5$0$0
DAVID COLAPINTOGeneral Counsel
Officer
1$0$0
990 for the year ended December 31, 2023: 10 people
NameTitleHours / weekCompensationOther / benefits
SIRI NELSONExecutive Dir.
Officer
40$126,000$13,183
MARY JANE WILMOTHTreas & Sec
Trustee or director, Officer
5$0$0
JANE TURNERDirector
Trustee or director
4$0$0
DR MARK TONEYDirector
Trustee or director
1$0$0
DR FREDERIC WHITEHURSTCo-Chair
Trustee or director, Officer
2$0$0
DR GINA GREENCo-Chair
Trustee or director, Officer
2$0$0
MICHAEL KOHNPresident
Trustee or director, Officer
3$0$0
STEPHEN KOHNChair
Trustee or director, Officer
3$0$0
DEAN ZERBEPolicy Analyst
Trustee or director
1$0$0
DAVID COLAPINTOGeneral Counsel
Trustee or director
1$0$0

Address and contacts

Address (IRS master file)
1710 N ST NW, WASHINGTON, DC 20036-2907
In care of
% STEPHEN M KOHN
Principal officer (990 for 2025)
SIRI TURNER, 1710 N ST NW, WASHINGTON, DC 20036
Signed the 990
MARY JANE WILMOTH, Treas & Sec
Phone
(202) 342-1903
Return prepared by
Leaf & Cole LLP

Mission

Educate the public about whistleblower protections, particularly best practices, and international application of U.S. whistleblower laws.

990 for the year ended December 31, 2025

Program accomplishments

  • In its Celebrating Whistleblowers Program, NWC educates decision makers and the public about the importance of whistleblowers to preserving democracy and the rule of law. NWC carries out a wide array of educational activities ranging from TV appearances to carrying out briefings for foreign dignitaries arranged by the State Department. In addition, each year NWC organizes a National Whistleblower Appreciation Day event on Capitol Hill. At this event, attended by roughly twohundred fifty whistleblowers and their supporters and covered by major news organizations including C-SPAN and Fox News, prominent whistleblowers and whistleblower advocates join with top policy makers from Congress and federal agencies to honor the contributions of whistleblowers to democracy and the rule of law.
    Expenses $193,299

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 yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990 on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

IRS record

EIN
52-1770068
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1992
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$8,310
Income (IRS master file)
$329,820

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$329,820$270,429$8,310XML
990December 2024$439,947$479,716$36,291XML
990December 2023$424,914$457,367$44,809XML
990December 2022$139,268$534,118$71,598IRS
990December 2021–––IRS
990December 2020–––IRS
990December 2019–––IRS
990December 2018–––IRS
990December 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 52-1770068).

Questions about NATIONAL WHISTLEBLOWER CENTER

What is the EIN of NATIONAL WHISTLEBLOWER CENTER?
The employer identification number (EIN) of NATIONAL WHISTLEBLOWER CENTER is 52-1770068.
Is NATIONAL WHISTLEBLOWER CENTER tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1992.
Are donations to NATIONAL WHISTLEBLOWER CENTER tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does NATIONAL WHISTLEBLOWER CENTER 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 NATIONAL WHISTLEBLOWER CENTER 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 NATIONAL WHISTLEBLOWER CENTER 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 NATIONAL WHISTLEBLOWER CENTER?
The 990 for the year ended December 31, 2025 names SIRI TURNER.
Who are the officers and directors of NATIONAL WHISTLEBLOWER CENTER?
The 990 for the year ended December 31, 2025 lists 8 people; 1 received compensation from the organization, the highest $27,692 (SIRI TURNER, Executive Dir.).
How much revenue does NATIONAL WHISTLEBLOWER CENTER have?
On its 990 for the year ended December 31, 2025 it reported revenue of $329,820, expenses of $270,429 and total assets of $8,310 at year end.

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