Funding search · EIN 261367670 · Chicago, IL

The Leonard and Joan Foundation

A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.

232
grants reported
$941,075
total given
2022–2025
filing years
$2,500
median grant

Based on grants this organization reported to the IRS for tax years 20222025. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.

What they fund

theatreproductionsmedicalresearchpublicservicecommunityeducation

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Funding pattern

What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.

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4 grants matching “rheumatology · $10,000

  • $2,500

    Rheumatology Research Foundation · Atlanta, GA · 2025

    Medical research

  • $2,500

    Rheumatology Research Foundation · Atlanta, GA · 2024

    Medical research

  • $2,500

    Rheumatology Research Foundation · Atlanta, GA · 2023

    Medical research

  • $2,500

    Rheumatology Research Foundation · Atlanta, GA · 2022

    Medical research

Top recipients

Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.

  • Loyola University Chicago2 grants · $107,000
  • University of Illinois Chicago2 grants · $101,600
  • Season of Concern4 grants · $93,801
  • International Voices Project3 grants · $50,000
  • International Essential Tremor Foun4 grants · $37,030
  • Save the Children Federation3 grants · $30,660
  • Music Theater Works3 grants · $22,500
  • Theo Ubique3 grants · $20,250
  • National Multiple Sclerosis Society4 grants · $18,400
  • American Cancer Society4 grants · $18,325

Giving over time

$227,144
2022
$193,482
2023
$242,167
2024
$278,282
2025

Grant history

The 100 largest of 232 grants.

  • $100,000

    Loyola University Chicago · Chicago, IL · 2022

    Education

  • $51,600

    University of Illinois Chicago · Chicago, IL · 2025

    Education

  • $50,000

    University of Illinois Chicago · Chicago, IL · 2024

    Education

  • $44,634

    Part I Ln 25 Cash Basis Contr Adjus · Chicago, IL · 2023

    Part 1 ln 25 cash basis contr adj

  • $36,560

    Part I Ln 25 Cash Basis Contr Adjus · Chicago, IL · 2024

    Part 1 ln 25 cash basis contr adj

  • $32,144

    Season of Concern · Chicago, IL · 2022

    Theatre productions

  • $30,512

    Part I Ln 25 Cash Basis Contr Adjus · Chicago, IL · 2025

    Part 1 ln 25 cash basis contr adj

  • $21,057

    Season of Concern · Chicago, IL · 2023

    Theatre productions

  • $20,600

    Season of Concern · Chicago, IL · 2025

    Theatre productions

  • $20,000

    Season of Concern · Chicago, IL · 2024

    Theatre productions

  • $20,000

    International Voices Project · Chicago, IL · 2022

    Theatre productions

  • $15,660

    Part I Ln 25 Cash Basis Contr Adjus · Chicago, IL · 2022

    Part 1 ln 25 cash basis contr adj

  • $15,000

    International Voices Project · Chicago, IL · 2025

    Community service

  • $15,000

    International Voices Project · Chicago, IL · 2024

    Community service

  • $10,500

    Music Theater Works · Wilmette, IL · 2025

    Theatre productions

  • $10,350

    American Civil Liberties Union Foun · Chicago, IL · 2025

    Public support

  • $10,220

    Save the Children Federation · Fairfield, CT · 2025

    Public support

  • $10,220

    Save the Children Federation · Fairfield, CT · 2024

    Public support

  • $10,220

    Save the Children Federation · Fairfield, CT · 2023

    Public support

  • $10,010

    International Essential Tremor Foun · Lenexa, KS · 2025

    Medical research

  • $10,010

    International Essential Tremor Foun · Lenexa, KS · 2024

    Medical research

  • $10,010

    International Essential Tremor Foun · Lenexa, KS · 2023

    Medical research

  • $10,010

    Storycatchers Theatre · Chicago, IL · 2023

    Theatre productions

  • $10,000

    Theo Ubique · Evanston, IL · 2025

    Theatre productions

  • $10,000

    Music Theater Works · Wilmette, IL · 2024

    Theatre productions

  • $10,000

    Black Ensemble Theater · Chicago, IL · 2023

    Theatre productions

  • $10,000

    Theo Ubique · Chicago, IL · 2023

    Theatre productions

  • $7,575

    Albany Park Theater Project · Chicago, IL · 2025

    Theatre productions

  • $7,000

    Loyola University Chicago · Chicago, IL · 2025

    Education

  • $7,000

    International Essential Tremor Foun · Lenexa, KS · 2022

    Medical research

  • $5,332

    Lungevity · Chicago, IL · 2025

    Medical research

  • $5,332

    Lungevity · Chicago, IL · 2023

    Medical research

  • $5,311

    Chicago Reader · Chicago, IL · 2025

    Public media

  • $5,300

    National Multiple Sclerosis Society · Chicago, IL · 2025

    Medical research

  • $5,300

    National Multiple Sclerosis Society · Chicago, IL · 2024

    Medical research

  • $5,300

    National Multiple Sclerosis Society · Chicago, IL · 2023

    Medical research

  • $5,289

    American Brain Tumor Association · Chicago, IL · 2025

    Medical research

  • $5,275

    American Cancer Society · Chicago, IL · 2025

    Medical research

  • $5,275

    American Cancer Society · Chicago, IL · 2024

    Medical research

  • $5,275

    American Cancer Society · Chicago, IL · 2023

    Medical research

  • $5,250

    Disney Magnet Pta · Chicago, IL · 2024

    Education

  • $5,225

    American Brain Tumor Association · Chicago, IL · 2024

    Medical research

  • $5,225

    American Brain Tumor Association · Chicago, IL · 2023

    Medical research

  • $5,149

    National Immigrant Justice Center · Chicago, IL · 2025

    Public support

  • $5,125

    American National Red Cross · Chicago, IL · 2025

    Medical care

  • $5,125

    American National Red Cross · Chicago, IL · 2024

    Medical care

  • $5,125

    American National Red Cross · Chicago, IL · 2023

    Medical care

  • $5,000

    Chicago House and Social Service · Chicago, IL · 2025

    Housing

  • $5,000

    Black Ensemble Theater · Chicago, IL · 2024

    Theatre productions

  • $5,000

    Chicago House and Social Service · Chicago, IL · 2024

    Housing

  • $5,000

    Lungevity · Chicago, IL · 2024

    Medical research

  • $5,000

    Chicago House and Social Service · Chicago, IL · 2023

    Housing

  • $5,000

    Storycatchers Theatre · Chicago, IL · 2022

    Theatre productions

  • $3,605

    World Wildlife Fund · Washington Dc, DC · 2024

    Public support

  • $2,750

    Chicago Public Media · Chicago, IL · 2025

    Public radio

  • $2,717

    Black Button Eyes · Chicago, IL · 2025

    Theatre productions

  • $2,675

    Asian Americans Advancing Justice · Chicago, IL · 2023

    Public support

  • $2,645

    March of Dimes · Arlington, VA · 2025

    Medical research

  • $2,643

    American Autoimmune Related Disease · Clinton Township, MI · 2025

    Medical research

  • $2,643

    American Autoimmune Related Disease · Clinton Township, MI · 2024

    Medical research

  • $2,641

    The Arthritis Fund · Atlanta, GA · 2024

    Medical research

  • $2,641

    The Arthritis Fund · Atlanta, GA · 2023

    Medical research

  • $2,628

    American Diabetes Association · Merrifield, VA · 2025

    Medical research

  • $2,628

    American Diabetes Association · Merrifield, VA · 2024

    Medical research

  • $2,628

    American Diabetes Association · Merrifield, VA · 2023

    Medical research

  • $2,614

    Alzheimer'S Association · Chicago, IL · 2025

    Medical research

  • $2,614

    Unicef · New York, NY · 2025

    Public support

  • $2,614

    Alzheimer'S Association · Chicago, IL · 2024

    Medical research

  • $2,614

    Unicef · New York, NY · 2024

    Public support

  • $2,614

    Unicef · New York, NY · 2023

    Public support

  • $2,603

    Success for All · Towson, MD · 2024

    Public support

  • $2,603

    One Acre Fund · Highland Park, IL · 2023

    Public support

  • $2,603

    Success for All · Towson, MD · 2023

    Public support

  • $2,596

    One Acre Fund · Highland Park, IL · 2025

    Public support

  • $2,596

    One Acre Fund · Highland Park, IL · 2024

    Public support

  • $2,588

    American Civil Liberties Union Foun · Chicago, IL · 2024

    Public support

  • $2,588

    American Civil Liberties Union Foun · Chicago, IL · 2023

    Public support

  • $2,581

    Arthritis National Research Found · Irvine, CA · 2025

    Medical research

  • $2,581

    Planned Parenthood · Washington Dc, DC · 2025

    Medical research

  • $2,581

    Arthritis National Research Found · Irvine, CA · 2024

    Medical research

  • $2,581

    Planned Parenthood · Washington Dc, DC · 2024

    Medical research

  • $2,581

    Arthritis National Research Found · Irvine, CA · 2023

    Medical research

  • $2,581

    Planned Parenthood · Washington Dc, DC · 2023

    Medical research

  • $2,580

    Broadway Cares Equity Fights AIDS · New York, NY · 2025

    Community service

  • $2,580

    Broadway Cares Equity Fights AIDS · New York, NY · 2024

    Community service

  • $2,575

    Asian Americans Advancing Justice · Chicago, IL · 2025

    Public support

  • $2,575

    International Rescue Committee · New York, NY · 2025

    Community service

  • $2,575

    Southern Poverty Law Center · Montgomery, AL · 2025

    Community service

  • $2,575

    Albany Park Theater Project · Chicago, IL · 2024

    Theatre productions

  • $2,575

    Michael J Fox Parkinsons · New York, NY · 2024

    Medical research

  • $2,575

    Southern Poverty Law Center · Montgomery, AL · 2024

    Community service

  • $2,575

    Albany Park Theater Project · Chicago, IL · 2023

    Theatre productions

  • $2,575

    Michael J Fox Parkinsons · New York, NY · 2023

    Medical research

  • $2,575

    World Wildlife Fund · Washington Dc, DC · 2023

    Public support

  • $2,563

    National Alliance for Musical Theat · New York, NY · 2025

    Musical theatre

  • $2,563

    National Alliance for Musical Theat · New York, NY · 2024

    Musical theatre

  • $2,563

    National Alliance for Musical Theat · New York, NY · 2023

    Musical theatre

  • $2,558

    Michael J Fox Parkinsons · New York, NY · 2025

    Medical research

  • $2,500

    Black Ensemble Theater · Chicago, IL · 2025

    Theatre productions

  • $2,500

    Doctors Without Boarders · Hagerstown, MD · 2025

    Community service

View all 232 grants →

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Source: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.