The Slater Foundation Inc

Private foundation · Grantmaker Boynton Beach, FL EIN: 31-1582513

THE SLATER FOUNDATION INC is a private foundation based in Boynton Beach, Florida. Its 2024 grants supported charitable organizations including a university, hospitals, a military-family support organization, a cultural institution, and community and environmental organizations.

Key facts about The Slater Foundation Inc

In short: The Slater Foundation Inc gave $1.1M across 14 grants in 2024 (avg $78K), mostly in Massachusetts. 36% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.

EIN
31-1582513
Latest 990 filing
Form 990-PF, 2024
Annual giving (2024)
$1,086,000
Grants made (2024)
14
Average grant
$77,571
Median grant
$22,500
New grantees (estimate)
36% first-time grantees (5 of 14, 2024)
Total assets
$64,352
Primary geography
Massachusetts (59% of itemized 2024 grant dollars)
Accepts unsolicited proposals
No
How to apply
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Full details ↓

Data from IRS Form 990-PF, 2024; updated September 2026. New grantees are estimated by matching recipient names across years (methodology). Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$64K

-86.6% YoY

Annual Giving

$1.1M

-2.5% YoY

Grant Count

14

-22.2% YoY

Avg Grant Size

$78K

+25.4% YoY

Under IRS private-foundation payout rules, The Slater Foundation Inc reported a distributable amount of $10K for 2024 — the minimum it must pay out in qualifying distributions.

Is The Slater Foundation Inc open to new grantees?

36%

first-time grantees, 2024

In 2024, 5 of 14 grantees (36%) were first-time recipients. First grants averaged $60K; repeat grants $87K. How we count

Medians: $50K first-time, $10K repeat.

  • 50% of 2024 grantees were also funded in 2023. Method
  • Giving held roughly steady from 2021 to 2024 (+1%). Method
  • In 2024 it paid out well above its IRS minimum distribution (the 5% rule). Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

Research compiled by Grantable AI from public sources. Last updated September 2026.

Mission & Focus Areas

No mission statement for the foundation is provided. Its 2024 grants show support for a range of organizations. For example, Operation Homefront describes its mission as building strong, stable, and secure military families; The Lenny Zakim Fund describes its work as advancing social justice and supporting grassroots organizations in eastern Massachusetts; and the New England Aquarium describes its work in public engagement, education, marine conservation, research, and ocean advocacy.

Grantmaking

In filing year 2024, the foundation reported 14 grants totaling $1,086,000. Grant amounts ranged from $500 to $250,000, with a median grant of $22,500. Larger awards included $250,000 to Boston University for the Robert and Beverly Brown Faculty Fellow in Computing & Data Sciences, $250,000 to Operation Homefront for general support, $210,000 to Massachusetts General Hospital for general support, and $150,000 to the Woodrow Wilson International Center for Scholars for the Slater Family Fellowship. Other grants included $100,000 to Temple Emanuel for general support and $50,000 to Spaulding Rehabilitation Hospital for the Slater Family Endowed Patient Assistance Fund.

Your AI grants department

Ready to take the next step with The Slater Foundation Inc?

Fully replaces Grant database subscriptions Instrumentl · Foundation Directory · GrantStation & similar

Geographic Focus

Where this funder awards grants

The 2024 grant dollars were distributed primarily to recipients in Massachusetts (59%), Texas (23%), and Washington, D.C. (14%). Listed recipients also include organizations in New York and McGill University.

Grant Distribution by State

8states

Share of all 14 itemized 2024 grant dollars.

Cities

BostonWashingtonNew YorkSan AntonioQuincyRoxburyDorchesterIndianapolisNew RochelleWestonBraintreeBrooklineChicagoDavieLoxahatcheeMiamiNeedhamNewtonOaklandPalm Beach

Giving Over Time

Total grant dollars and number of grants per year

$0$500K$1M$1.5M21 grants202015 grants202115 grants202218 grants202314 grants2024

From 2020 to 2024, annual grant giving ranged from $1.1M (2021) to $1.5M (2022). In 2024 it made 14 grants totaling $1.1M.

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Boston University: $250KBoston University$250KOperation Homefront: $250KOperation Homefront$250KMassachusetts General Hospital: $210KMassachusetts General Hospital$210KWoodrow Wilson International Center for Scholars: $150KWoodrow Wilson InternationalCenter for Scholars$150KTemple Emanuel: $100KTemple Emanuel$100KSpaulding Rehabilitation Hospital: $50KSpaulding RehabilitationHospital$50KMcGill University: $35KMcGill University$35KBoston Children's Museum: $10KBoston Children's Museum$10KNew England Aquarium: $10KNew England Aquarium$10KThe Lenny Zakim Fund: $10KThe Lenny Zakim Fund$10K

The largest 2024 recipient was Boston University ($250K). Together the top 10 received $1.1M.

Grant Size Distribution

83 grants across all recorded years

58<$50K3$50–100K10$100–250K11$250–500K1$500K–1M$1–5M$5M+

The most common grant size was under $50K: 58 grants of 83 (70%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
Boston University Boston, MARobert and beverly brown faculty fellow in computing & data sciences$250,000
Operation Homefront San Antonio, TXGeneral Support$250,000
Massachusetts General Hospital Boston, MAGeneral Support$210,000
Woodrow Wilson International Center for Scholars Washington, DCSlater Family Fellowship$150,000
Temple Emanuel Newton, MAGeneral Support$100,000
Spaulding Rehabilitation Hospital Sandwich, MASlater Family Endowed Patient Assistance Fund$50,000
McGill University Slater Family Canada-US Policy Series$35,000
Boston Children's Museum Boston, MAGeneral Support$10,000
New England Aquarium Boston, MAGeneral Support$10,000
The Lenny Zakim Fund Boston, MAGeneral Support$10,000

Financial History

Multi-year comparison from IRS filings

Filing year Assets Revenue Expenses Grants
2024 $64,352 $676,281 $1,091,830 $1,086,000
2023 $479,901 $160,976 $1,342,556 $1,113,700
2022 $1,661,481 $465,696 $1,504,989 $1,477,000
Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$500K$1M$1.5M$2M20202021202220232024
Metric202420232022
Total Assets$64,352$479,901$1,661,481
Revenue$676,281$160,976$465,696
Expenses$1,091,830$1,342,556$1,504,989
Qualifying Distributions$1,090,166$1,327,380$1,477,000
Net Investment Income$19,617$154,092$56,580
Distributable Amount$9,543$37,068$48,042

Data update history

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2024

Leadership & Key People

Leadership team and compensation from IRS filings

The 2024 filing lists Kenneth Z. Slater as president and director, Samuel H. Slater as vice-president, and Richard J. Slater, Jacqueline Slater Whitten, and Amy Dittami as directors.

The Slater Foundation Inc is led by Kenneth Z. Slater, President & Director on every filing since 2020; none of the 5 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Kenneth Z. Slater

    President & Director

    On filings since 2020

    1 hr/week

    No compensation reported

  • Richard J. Slater

    Director

    On filings since 2020

    1 hr/week

    No compensation reported

  • Amy Dittami

    Director

    On filings since 2021

    1 hr/week

    No compensation reported

  • Jacqueline Slater Whitten

    Director

    On filings since 2021

    1 hr/week

    No compensation reported

  • Samuel H. Slater

    Vice President

    On filings since 2020

    12 hrs/week

    No compensation reported

Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Contact

Mailing address: 639 E Ocean Ave Ste 309, Boynton Beach, FL 33435
Phone: (561) 670-2027

Frequently asked questions about The Slater Foundation Inc

How much does The Slater Foundation Inc give each year?

The Slater Foundation Inc gave $1.1M across 14 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $1.1M across 18 grants.

What is The Slater Foundation Inc's typical grant size?

The Slater Foundation Inc's median grant in 2024 was $22,500, and its average grant was $77,571, across 14 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from The Slater Foundation Inc that year got $60K on average.

Where does The Slater Foundation Inc give grants?

The Slater Foundation Inc gives mostly in Massachusetts: 59% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest states were Texas (23%) and District of Columbia (14%). The most frequent recipient cities were Boston, MA (5 grants).

Does The Slater Foundation Inc give general operating support?

Yes: 71% of The Slater Foundation Inc's 2024 grants with a stated purpose (10 of 14) were for general or operating support, per its 2024 IRS Form 990-PF.

Who are The Slater Foundation Inc's largest grantees?

The Slater Foundation Inc's largest 2024 grantees include Boston University ($250,000), Operation Homefront ($250,000) and Massachusetts General Hospital ($210,000), according to its 2024 IRS Form 990-PF. Together they received 65% of its itemized 2024 grant dollars.

How large is The Slater Foundation Inc?

The Slater Foundation Inc reported $64K in total assets on its 2024 IRS Form 990-PF. It paid out $1.1M in qualifying distributions that year, against a required minimum of $10K (roughly 5% of its investment assets).

What does The Slater Foundation Inc fund?

No mission statement for the foundation is provided. Its 2024 grants show support for a range of organizations. See mission & focus areas ↑

How do I apply for a grant from The Slater Foundation Inc?

The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is The Slater Foundation Inc's EIN?

The Slater Foundation Inc's EIN (Employer Identification Number) is 31-1582513. IRS Form 990 filing data is available on this page for 2020–2024.

Does The Slater Foundation Inc accept unsolicited proposals?

No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑

Data last updated September 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.

Your AI grants department

Here's the math on researching The Slater Foundation Inc by hand.

Explore Open Grants

Browse active grant opportunities in The Slater Foundation Inc's focus areas in our free grants database

Similar Funders

Funders that support many of the same organizations

Boston Foundation Inc

Boston, MA

The Boston Foundation funds equity-focused work in child well-being, economic opportunity, community wealth, and community leadership, primarily in Greater Boston. Its 2025 grants had a median of $25,000, while specific programs offer awards from up to $15,000 to $50,000; it accepts applications through some competitive initiatives, but whether it accepts unsolicited requests generally is not stated.

Assets

$2.1B

Grants

2,375

Total Given

$228.4M

Eastern Bank Foundation

Wakefield, MA

Eastern Bank Foundation funds systemic efforts to advance economic inclusion and mobility, including small-business equity, early childhood development, affordable housing, and workforce development. Its programs range from $1,000–$10,000 for Community Donations, up to $15,000 for CITC Grants, and $50,000–$150,000 for Impact Grants; it supports organizations primarily in Massachusetts, New Hampshire, and Rhode Island. The foundation accepts online applications, with no specific submission deadlines stated.

Assets

$266.7M

Grants

1,786

Total Given

$19.0M

Publix Super Markets Charities Inc

Lakeland, FL

Publix Super Markets Charities supports nonprofits addressing hunger, homelessness and housing, youth, education, and community needs in Florida, Georgia, Alabama, North Carolina, South Carolina, Tennessee, Virginia, and Kentucky. Its 2024 median grant was $2,500, though awards ranged widely; it accepts online requests from eligible organizations, with application periods varying by program.

Assets

$233.8M

Grants

3,269

Total Given

$52.5M

The Community Foundation

Jacksonville, FL

The Community Foundation for Northeast Florida supports nonprofits and civic work in Duval, St. Johns, Nassau, Baker, Clay, and Putnam counties, with interests including neighborhoods, education, aging adults, arts, women and girls, young children, and early literacy. Its 2024 grants had a median of $5,000, though amounts varied widely; most donor-advised grants are not open to applications, but eligible nonprofits can apply through competitive programs when application windows are open.

Philanthropy, Voluntarism & Grantmaking

Assets

$708.7M

Grants

2,470

Total Given

$78.0M

The Miami Foundation Inc

Miami, FL

The Miami Foundation funds a broad range of work, including arts and culture, health and wellness, economic opportunity, youth and families, equity, and climate resilience; its Community Grants provide flexible two-year general operating support to nonprofits in Greater Miami. In 2023, grants had a median of $21,585, though awards varied widely; the current application cycle is closed, and applications are expected to open in 2027.

Philanthropy, Voluntarism & Grantmaking

Assets

$525.0M

Grants

879

Total Given

$57.2M

Community Foundation of Tampa Bay Inc

Tampa, FL

The Community Foundation of Tampa Bay funds nonprofits addressing economic opportunity, environmental sustainability, health, education, and community vitality in Hillsborough, Pinellas, Pasco, Hernando, and Citrus counties. Its annual competitive grants are typically $10,000–$50,000; it also accepts year-round requests for urgent, unforeseen needs of up to $250,000. Apply through the relevant grant opportunity; the profile does not state whether general unsolicited requests are accepted.

Philanthropy, Voluntarism & Grantmaking

Assets

$1.0B

Grants

698

Total Given

$54.3M

Gulf Coast Community Foundation Inc

Venice, FL

Gulf Coast Community Foundation funds arts and culture, civic and economic development, education, the environment, health and human services, and disaster response, with a focus on its Florida service area. Community grants provide up to $25,000 per organization per fiscal year; larger catalytic grants are available, and 2025 grants had a median of $16,251. It accepts unsolicited requests through scheduled Community Grant cycles; catalytic grants start with a letter of inquiry, and initiative grants are by invitation only.

Philanthropy, Voluntarism & Grantmaking

Assets

$533.7M

Grants

651

Total Given

$45.0M

Early Learning Coalition of Broward

Fort Lauderdale, FL

The Early Learning Coalition of Broward funds child care reimbursement and early-learning providers, including programs supporting child care and preschool, primarily in Broward County, Florida. Its 2025 grants ranged from $5,127 to $3,994,863, with a median of $158,921. The profile does not state whether it accepts unsolicited requests.

Human Services

Assets

$15.9M

Grants

636

Total Given

$152.2M

Leslie L Alexander Foundation Inc

Delray Beach, FL

The Leslie L Alexander Foundation supports animal rescue, education, children’s services, and other charitable work. In 2024, grants ranged from $600 to $1 million, with a median of $35,000; giving was concentrated in Florida and Texas, with awards also made elsewhere. It gives only to preselected organizations and does not accept unsolicited requests.

Philanthropy, Voluntarism & Grantmaking

Assets

$291.4M

Grants

622

Total Given

$28.4M

CSX Foundation Inc

Jacksonville, FL

Philanthropy, Voluntarism & Grantmaking

Assets

$9.7M

Grants

607

Total Given

$13.7M

United Way Miami Inc

Miami, FL

United Way Miami funds education, economic mobility, health and wellbeing, and resilient-community programs, with its community focus in Miami-Dade County. Its 2025 grants ranged from $5,082 to $1,693,432, with a median of $18,410; published opportunities include selected awards of up to $153,000. It publishes specific grant opportunities and application details; whether it accepts unsolicited requests is not stated.

Philanthropy, Voluntarism & Grantmaking

Assets

$157.2M

Grants

562

Total Given

$32.6M

More Funders in Florida

The Slater Foundation Inc down — hundreds of funders to go?

Want AI to do this for you?