Private Foundation

THE RIVER FOUNDATION C/O WALTER & CELIA GILBERT TRUSTEES

THE RIVER FOUNDATION C/O WALTER & CELIA GILBERT TRUSTEES is a Private Foundation headquartered in CAMBRIDGE, MA. Financial data from the 2025 filing: $281K revenue, $311K expenses, $1.4M total assets. IRS filings disclose 58 grants awarded by this foundation, totaling roughly $1.9M.

EIN: 043254488 CAMBRIDGE, MA Latest filing: 2025

Total Revenue$281K

Total Expenses$311K

Total Assets$1.4M

Grants Given58

Grant Total$1.9M

Filing Years2021–2025

Sample Grants Given

ANCIENT EGYPT RESEARCH ASSOCIATES

BOSTON, MA · 2025

UNRESTRICTED

$100,000

BETH ISRAEL DEACONESS MEDICAL CENTER

BOSTON, MA · 2025

UNRESTRICTED

$60,000

MUSEUM OF FINE ARTS

BOSTON, MA · 2025

UNRESTRICTED

$56,000

COLD SPRING HARBOR LABORATORY

COLD SPRING HARBOR, NY · 2025

UNRESTRICTED

$40,000

SOCIETY FOR SCIENCE AND THE PUBLIC

WASHINGTON, DC · 2025

UNRESTRICTED

$25,000

Showing up to 5 of 58 total records — full history available with membership.

Officers & Directors

TRUSTEE Celia Gilbert

TRUSTEE Eric Domeshek

TRUSTEE John R Gilbert

TRUSTEE Kate Gilbert

TRUSTEE Valerie Leiter

TRUSTEE Walter Gilbert

Officer compensation and complete director data available with membership.

Top Grant Purposes

UNRESTRICTED

$1,947,337 58 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$281K	$311K	$1.4M
2024	$62K	$206K	$1.4M
2023	$90K	$307K	$1.6M
2022	$82K	$174K	$1.8M
2021	$329K	$335K	$1.9M

Between 2021 and 2025, reported annual revenue declined from $329K to $281K (-15%), with total assets most recently reported at $1.4M.

Interactive year-over-year charts and full filing details available with membership.

Grant Geography

Grants from this foundation were reported to recipients in DC, MA, NY.

DCMANY

Full geographic grant map with state-by-state breakdown available with membership.

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