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Nonprofit · EIN 26-3402690

DELTARES USA INC

Tax-exempt · SILVER SPRING, MD 20910

Financials

$5.5M$5M2023$7.8M$7.8M2024
Revenue Expenses · by fiscal year end
Financials of DELTARES USA INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2024990-PF$7,781,063$7,780,687$376$3,366,374$2,855,488$510,886
December 31, 2023990-PF$5,536,421$5,007,937$528,484$3,510,813$2,387,763$1,123,050
Financial details: 990-PF for the year ended December 31, 2024

Revenue

Interest
$327
Other income
$7,780,736

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$211,839
Salaries, compensation and benefits (total)
$1,181,904
Disbursements for charitable purposes
$7,421,465
Excise tax on investment income
$5

Balance sheet and other

Total assets, start of year
$3,510,813
Total assets, end of year
$3,366,374
Total liabilities, end of year
$2,855,488
Net assets, end of year
$510,886
Fair market value of assets
$3,366,374
Qualifying distributions
$7,421,465
Net investment income
$327

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-PF for the year ended December 31, 2024, highest compensation first.

NameTitleHours / weekCompensationOther / benefits
EDWIN WELLES
8601 GEORGIA AVE 508, SILVER SPRING, MD 20910
DIRECTOR40$211,839$46,749
BENJAMIN BALK
8601 GEORGIA AVE 508, SILVER SPRING, MD 20910
SCIENTIST V
Highest-paid employee
40$177,031$41,321
CORNELIS NEDERHOFF
8601 GEORGIA AVE 508, SILVER SPRING, MD 20910
SCIENTIST V
Highest-paid employee
40$175,277$25,970
ESKEDAR GEBREMEDHIN
8601 GEORGIA AVE 508, SILVER SPRING, MD 20910
SCIENTIST IV
Highest-paid employee
40$155,988$17,013
BITA ANALIA
8601 GEORGIA AVE 508, SILVER SPRING, MD 20910
SCIENTIST IV
Highest-paid employee
40$155,988$11,147
LAUREN SCHAMBACH
8601 GEORGIA AVE 508, SILVER SPRING, MD 20910
SCIENTIST III-1
Highest-paid employee
40$146,480$16,121
WILLEM-JAN RIBBERINK
8601 GEORGIA AVE 508, SILVER SPRING, MD 20910
SECRETARY5$0$0
MICHEL VAN SWIETAN
8601 GEORGIA AVE 508, SILVER SPRING, MD 20910
TREASURER5$0$0
SOROOSH SOROOSHIAN
8601 GEORGIA AVE 508, SILVER SPRING, MD 20910
DIRECTOR5$0$0
GUY GELF
8601 GEORGIA AVE 508, SILVER SPRING, MD 20910
DIRECTOR5$0$0
ANTONIA SEBASTIAN
8601 GEORGIA AVE 508, SILVER SPRING, MD 20910
DIRECTOR5$0$0
990-PF for the year ended December 31, 2023: 11 people
NameTitleHours / weekCompensationOther / benefits
EDWIN WELLES
8601 GEORGIA AVE 508, SILVER SPRING, MD 20910
DIRECTOR40$210,311$43,673
BENJAMIN BALK
8601 GEORGIA AVE 508, SILVER SPRING, MD 20910
SCIENTIST V
Highest-paid employee
40$169,603$38,152
CORNELIS NEDERHOFF
8601 GEORGIA AVE 508, SILVER SPRING, MD 20910
SCIENTIST IV
Highest-paid employee
40$149,213$15,990
MAARTEN VAN ORMONDT
8601 GEORGIA AVE 508, SILVER SPRING, MD 20910
SCIENTIST V
Highest-paid employee
40$135,681$8,141
AMANDA GETZ
8601 GEORGIA AVE 508, SILVER SPRING, MD 20910
ADMINISTRATOR II
Highest-paid employee
32$105,647$10,286
KEREN BOLTER
8601 GEORGIA AVE 508, SILVER SPRING, MD 20910
SCIENTIST IV
Highest-paid employee
32$101,849$27,980
WILLEM-JAN RIBBERINK
8601 GEORGIA AVE 508, SILVER SPRING, MD 20910
SECRETARY5$0$0
MICHEL VAN SWIETAN
8601 GEORGIA AVE 508, SILVER SPRING, MD 20910
TREASURER5$0$0
SOROOSH SOROOSHIAN
8601 GEORGIA AVE 508, SILVER SPRING, MD 20910
DIRECTOR5$0$0
GUY GELFENBAUM
8601 GEORGIA AVE 508, SILVER SPRING, MD 20910
DIRECTOR5$0$0
ANTONIA SEBASTIAN
8601 GEORGIA AVE 508, SILVER SPRING, MD 20910
DIRECTOR5$0$0

Address and contacts

Address (IRS master file)
8601 GEORGIA AVE STE 508, SILVER SPRING, MD 20910-3564
Signed the 990-PF
EDWIN WELLES, DIRECTOR
Phone
(301) 642-2505
Return prepared by
GELMAN ROSENBERG & FREEDMAN

What it must file and when

IRS records say it files Form 990-PF. Private foundations file every year. 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, 2026Not on file
2024December 31, 2024May 15, 2025990-PF on file
2023December 31, 2023May 15, 2024990-PF on file

IRS record

EIN
26-3402690
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Private operating foundation
Donations deductible (Pub 78)
Private operating foundation, 50% limit
Exempt since
2010
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$3,366,374
Income (IRS master file)
$7,781,063

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2024$7,781,063$7,780,687$3,366,374XML
990-PFDecember 2023$5,536,421$5,007,937$3,510,813XML
990-PFDecember 2022–––IRS
990-PFDecember 2021–––IRS
990-PFDecember 2020–––IRS
990-PFDecember 2019–––IRS
990-PFDecember 2018–––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 26-3402690).

Questions about DELTARES USA INC

What is the EIN of DELTARES USA INC?
The employer identification number (EIN) of DELTARES USA INC is 26-3402690.
Is DELTARES USA INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2010.
Are donations to DELTARES USA INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Private operating foundation, 50% limit).
Which annual return does DELTARES USA INC file?
Form 990-PF. Private foundations file every year.
When is the next return of DELTARES USA INC due?
The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did DELTARES USA INC last file with the IRS?
The latest return in the IRS public files is the 990-PF for the year ended December 2024.
Who are the officers and directors of DELTARES USA INC?
The 990-PF for the year ended December 31, 2024 lists 11 people; 6 received compensation from the organization, the highest $211,839 (EDWIN WELLES, DIRECTOR).
How much revenue does DELTARES USA INC have?
On its 990-PF for the year ended December 31, 2024 it reported revenue of $7,781,063, expenses of $7,780,687 and total assets of $3,366,374 at year end.

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