Private Foundation

THE TRESEMER FOUNDATION INC

THE TRESEMER FOUNDATION INC is a private foundation categorized as Private Foundation based in GUILFORD, CT. Its most recent IRS filing (2025) reports revenue of $79K, expenses of $156K, total assets of $2.0M. Imperigo tracks 12 reported grants from this foundation totaling approximately $489K.

EIN: 841505071 GUILFORD, CT Latest filing: 2025

Total Revenue$79K

Total Expenses$156K

Total Assets$2.0M

Grants Given12

Grant Total$489K

Filing Years2022–2025

Sample Grants Given

SIERRA CLUB FOUNDATION

OAKLAND, CA · 2024

GENERAL OPERATING SUPPORT FOR SIERRA CLUB FOUNDATION

$62,000

GIVE AN HOUR

CLARKSBURG, MD · 2024

GENERAL OPERATING SUPPORT FOR GIVE AN HOUR

$42,000

OBERLIN COLLEGE - EDUCATION OUTREACH PROGRAMS

OBERLIN, OH · 2024

GENERAL OPERATING SUPPORT FOR OBERLIN NINDE SCHOLARS PROGRAM.

$15,000

GIVE AN HOUR

CLARKSBURG, MD · 2023

GENERAL OPERATING SUPPORT FOR GIVE AN HOUR

$50,000

SIERRA CLUB FOUNDATION

OAKLAND, CA · 2023

GENERAL OPERATING SUPPORT FOR SIERRA CLUB FOUNDATION

$40,000

Showing up to 5 of 12 total records — full history available with membership.

Officers & Directors

SECRETARY/TREASURER Lelani Tresemer

PRESIDENT Sarah Jefferson

Officer compensation and complete director data available with membership.

Top Grant Purposes

GENERAL OPERATING SUPPORT FOR GIVE AN HOUR

$242,000 4 grants

GENERAL OPERATING SUPPORT FOR SIERRA CLUB FOUNDATION

$187,000 4 grants

GENERAL OPERATING SUPPORT FOR OBERLIN NINDE SCHOLARS PROGRAM.

$60,000 4 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$79K	$156K	$2.0M
2024	$329K	$155K	$2.1M
2023	$-28K	$160K	$1.9M
2022	$157K	$174K	$2.1M

Between 2022 and 2025, reported annual revenue declined from $157K to $79K (-50%), with total assets most recently reported at $2.0M.

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

Grant Geography

Grants from this foundation were reported to recipients in CA, MD, OH.

CAMDOH

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

See the full picture for THE TRESEMER FOUNDATION INC

Complete financials, all 12 grant records, officer compensation, year-over-year trend charts, a geographic grant map, and data exports — across 498,000+ organizations.

Full Financial History Complete Grant Activity Officer Compensation Year-over-Year Charts Geographic Grant Map Data Exports