Private foundation · EIN 87-3616373 · New Canaan, Connecticut · Medical research

Leslie and Sheila Klein Foundation Inc

Should you approach them?

Don't send a cold proposal. The foundation reports that it only gives to preselected organizations; an introduction through a current grantee or board member is the realistic route.

From the 2025 Form 990-PF: 5 grants paid, $258K total, median $13K. 60% of grants stayed in Connecticut.

Accepts applications
No
per 990-PF Part XV
Grants paid, 2025
5
$258K
Median grant
$13K
Stays in CT
60%
of grants
Deadline
—
Assets
$9.7M

Grants paid in 2025

5 grants, all shown · from Form 990-PF Part XV

RecipientPurposeAmount
University of Rochester School of MedicineRochester, NYMedical research$200K
Myotonic Dystrophy FoundationOakland, CAMedical research$25K
Silver SourceStamford, CTGeneral$13K
Stamford Hospital FoundationStamford, CTGeneral$10K
United Jewish Federation of GreaterStamford, CTGeneral$10K

By state: New York 1 · Connecticut 3 · California 1

About this foundation

Leslie and Sheila Klein Foundation Inc is a private grantmaking foundation in New Canaan, Connecticut, administered in care of Leslie M Klein, tax-exempt since 2022. Private foundations must pay out roughly 5% of their assets each year, mostly as grants to 501(c)(3) public charities.

All filings on ProPublica

Does Leslie and Sheila Klein Foundation Inc accept grant applications?

No. On its 2025 Form 990-PF the foundation checked that it only makes contributions to preselected organizations. Look for an introduction through a current grantee.

How much does Leslie and Sheila Klein Foundation Inc give each year?

In tax year 2025 it paid $258K across 5 grants, a median of $13K.

Where does Leslie and Sheila Klein Foundation Inc give?

New York (1 grants), Connecticut (3 grants), California (1 grants), per its latest filing.

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