Private foundation · EIN 20-3367664 · Wilmington, Delaware · Philanthropy & grantmaking

The Timothy and Susanne Sullivan Family Foundation

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: 14 grants paid, $1.4M total, median $25K.

Accepts applications
No
per 990-PF Part XV
Grants paid, 2025
14
$1.4M
Median grant
$25K
Stays in DE
—
of grants
Deadline
—
Assets
$20M

Grants paid in 2025

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

RecipientPurposeAmount
Big Shoulders FundChicago, ILSullivan Fellows Program and Covered Schools$775K
Northwestern UniversityEvanston, ILShapiro Hall fund$125K
Northlight Theatre IncEvanston, ILInterplay fund$100K
Northwestern Memorial FoundationChicago, ILRuchim Endowment fund$100K
University of ChicagoChicago, ILBiological Sciences Division Research fund$100K
United States Naval Academy Foundation IncBaltimore, MDAthletics and General Support fund$50K
Come to Believe FoundationNew York, NYGeneral & Unrestricted$25K
Cristo Rey Jesuit High SchoolChicago, ILGeneral & Unrestricted$25K
Evanston Northwestern HealthcareEvanston, ILGeneral & Unrestricted$25K
Josephinum AcademyChicago, ILGeneral & Unrestricted$25K
Rehabilitation Institute of ChicagoChicago, ILRISE Climb fund$25K
Neighborhood Health Clinic IncNaples, FLRaven Pathology Building campaign$10K
Old St Patricks ChurchChicago, ILGeneral & Unrestricted$10K
One Acre FundHighland Park, ILGeneral & Unrestricted$10K

By state: Illinois 11 · Maryland 1 · New York 1 · Florida 1

About this foundation

The Timothy and Susanne Sullivan Family Foundation is a private grantmaking foundation in Wilmington, Delaware, administered in care of Foundation Source, tax-exempt since 2006. 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 The Timothy and Susanne Sullivan Family Foundation 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 The Timothy and Susanne Sullivan Family Foundation give each year?

In tax year 2025 it paid $1.4M across 14 grants, a median of $25K.

Where does The Timothy and Susanne Sullivan Family Foundation give?

Illinois (11 grants), Maryland (1 grants), New York (1 grants) and elsewhere, per its latest filing.

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