Funding search · EIN 776071337 · Washington, DC

R Michael Tanner Irrv Charitable Tr 032391

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

97
grants reported
$159,900
total given
2022–2025
filing years
$1,000
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

prograrm

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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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Top recipients

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

  • Smithsonian Institution4 grants · $36,000
  • Weta4 grants · $20,000
  • John F Kennedy Center3 grants · $12,000
  • Phillips Collection4 grants · $11,500
  • American Red Cross4 grants · $8,000
  • Planned Parenthood of Greater Wash3 grants · $6,500
  • University of Illinois Foundation4 grants · $6,000
  • Arena Stage4 grants · $6,000
  • Marlow Guitar International4 grants · $5,050
  • Stanford University Engineering4 grants · $5,000

Giving over time

$38,100
2022
$37,250
2023
$37,900
2024
$46,650
2025

Grant history

All 97 reported grants, largest first.

  • $9,000

    Smithsonian Institution · Washington, DC · 2025

    Program Support

  • $9,000

    Smithsonian Institution · Washington, DC · 2024

    Program Support

  • $9,000

    Smithsonian Institution · Washington, DC · 2023

    Program Support

  • $9,000

    Smithsonian Institution · Washington, DC · 2022

    General Support

  • $5,000

    Planned Parenthood of Greater Wash · Washington, DC · 2025

    Program Support

  • $5,000

    Wash Natl Opera National Symphony · Washington, DC · 2025

    Program Support

  • $5,000

    Weta · Arlington, VA · 2025

    Program Support

  • $5,000

    Weta · Arlington, VA · 2024

    Program Support

  • $5,000

    Weta · Arlington, VA · 2023

    Program Support

  • $5,000

    Weta · Arlington, VA · 2022

    General Support

  • $4,000

    John F Kennedy Center · Washington, DC · 2024

    Program Support

  • $4,000

    John F Kennedy Center · Washington, DC · 2023

    Program Support

  • $4,000

    John F Kennedy Center · Washington, DC · 2022

    General Support

  • $4,000

    Phillips Collection · Washington, DC · 2022

    General Support

  • $3,000

    Marlow Guitar International · Rockville, MD · 2025

    Program Support

  • $2,500

    Phillips Collection · Washington, DC · 2025

    Program Support

  • $2,500

    Phillips Collection · Washington, DC · 2024

    Program Support

  • $2,500

    Phillips Collection · Washington, DC · 2023

    Program Support

  • $2,000

    American Red Cross · Boone, IA · 2025

    Program Support

  • $2,000

    Stanford University Engineering · Stanford, CA · 2025

    Program Support

  • $2,000

    American Red Cross · Boone, IA · 2024

    Program Support

  • $2,000

    American Red Cross · Boone, IA · 2023

    Program Support

  • $2,000

    American Red Cross · Boone, IA · 2022

    General Support

  • $2,000

    Univ of Cal Santa Cruz Foundation · Santa Cruz, CA · 2022

    General Support

  • $1,500

    Arena Stage · Washington, DC · 2025

    Program Support

  • $1,500

    University of Illinois Foundation · Urbana, IL · 2025

    Program Support

  • $1,500

    Arena Stage · Washington, DC · 2024

    Program Support

  • $1,500

    University of Illinois Foundation · Urbana, IL · 2024

    Program Support

  • $1,500

    Arena Stage · Washington, DC · 2023

    Program Support

  • $1,500

    University of Illinois Foundation · Urbana, IL · 2023

    Program Support

  • $1,500

    Arena Stage · Washington, DC · 2022

    General Support

  • $1,500

    Iona Senior Services · Washington, DC · 2022

    General Support

  • $1,500

    University of Illinois Foundation · Urbana, IL · 2022

    General Support

  • $1,000

    Capital Area Food Bank · Washington, DC · 2025

    Program Support

  • $1,000

    Colonial Williamsburg Foundation · Williamsburg, VA · 2025

    Program Support

  • $1,000

    Dupont Circle Village · Washington, DC · 2025

    Program Support

  • $1,000

    Ieee Foundation · Piscataway, NY · 2025

    Program Support

  • $1,000

    Iona Senior Services · Washington, DC · 2025

    Program Support

  • $1,000

    Stanford University Foundation · Stanford, CA · 2025

    Program Support

  • $1,000

    Univ of Cal Santa Cruz Foundation · Santa Cruz, CA · 2025

    Program Support

  • $1,000

    Capital Area Food Bank · Washington, DC · 2024

    Program Support

  • $1,000

    Colonial Williamsburg Foundation · Williamsburg, VA · 2024

    Program Support

  • $1,000

    Dupont Circle Village · Washington, DC · 2024

    Program Support

  • $1,000

    Ieee Foundation · Piscataway, NY · 2024

    Program Support

  • $1,000

    Iona Senior Services · Washington, DC · 2024

    Program Support

  • $1,000

    Marlow Guitar International · Rockville, MD · 2024

    Program Support

  • $1,000

    Planned Parenthood of Greater Wash · Washington, DC · 2024

    Program Support

  • $1,000

    Stanford University Engineering · Stanford, CA · 2024

    Program Support

  • $1,000

    Stanford University Foundation · Stanford, CA · 2024

    Program Support

  • $1,000

    Univ of Cal Santa Cruz Foundation · Santa Cruz, CA · 2024

    Program Support

  • $1,000

    Capital Area Food Bank · Washington, DC · 2023

    Program Support

  • $1,000

    Colonial Williamsburg Foundation · Williamsburg, VA · 2023

    Program Support

  • $1,000

    Iona Senior Services · Washington, DC · 2023

    Program Support

  • $1,000

    Stanford University Engineering · Stanford, CA · 2023

    Program Support

  • $1,000

    Stanford University Foundation · Stanford, CA · 2023

    Program Support

  • $1,000

    Univ of Cal Santa Cruz Foundation · Santa Cruz, CA · 2023

    Program Support

  • $1,000

    Capital Area Food Bank · Washington, DC · 2022

    General Support

  • $1,000

    Colonial Williamsburg Foundation · Williamsburg, VA · 2022

    General Support

  • $1,000

    Dupont Circle Village · Washington, DC · 2022

    General Support

  • $1,000

    Stanford University Engineering · Stanford, CA · 2022

    General Support

  • $1,000

    Stanford University Foundation · Stanford, CA · 2022

    General Support

  • $800

    Dupont Circle Village · Washington, DC · 2023

    Program Support

  • $800

    Marlow Guitar International · Rockville, MD · 2023

    Program Support

  • $750

    Ieee Foundation · Piscataway, NY · 2023

    Program Support

  • $600

    Ieee Foundation · Piscataway, NY · 2022

    General Support

  • $500

    Population Connection · Washington, DC · 2025

    Program Support

  • $500

    York School · Monterey, CA · 2025

    Program Support

  • $500

    Opera Lafayette · Washington, DC · 2024

    Program Support

  • $500

    York School · Monterey, CA · 2024

    Program Support

  • $500

    Opera Lafayette · Washington, DC · 2023

    Program Support

  • $500

    Planned Parenthood of Greater Wash · Washington, DC · 2023

    Program Support

  • $500

    York School · Monterey, CA · 2023

    Program Support

  • $500

    Opera Lafayette · Washington, DC · 2022

    General Support

  • $500

    York School · Monterey, CA · 2022

    General Support

  • $400

    Wikimedia Foundation · San Francisco, CA · 2025

    Program Support

  • $300

    Amer Assoc for Advancemt Science · Washington, DC · 2025

    Program Support

  • $300

    Gtu Lombardi Comp Cancer Center · Washington, DC · 2025

    Program Support

  • $300

    Nation Park Foundation · Washington, DC · 2025

    Program Support

  • $300

    National Academy of Inventors · Tampa, FL · 2025

    Program Support

  • $300

    Sigma Xi Science Honor Society · Research Triangle Park, NC · 2025

    general support

  • $300

    Gtu Lombardi Comp Cancer Center · Washington, DC · 2024

    Program Support

  • $300

    Nation Park Foundation · Washington, DC · 2024

    Program Support

  • $300

    National Academy of Inventors · Tampa, FL · 2024

    Program Support

  • $300

    Gtu- Lombardi Comp Cancer Center · Washington, DC · 2023

    Program Support

  • $300

    Nation Park Foundation · Washington, DC · 2023

    Program Support

  • $300

    National Academy of Inventors · Tampa, FL · 2023

    Program Support

  • $300

    Pipeline Playwrights · Alexandria, VA · 2023

    Program Support

  • $300

    Nation Park Foundation · Washington, DC · 2022

    General Support

  • $250

    Consumer Reports · Yonkers, NY · 2025

    Prograrm Support

  • $250

    Consumer Reports · Yonkers, NY · 2024

    Prograrm Support

  • $250

    Wikimedia Foundation · San Francisco, CA · 2024

    Program Support

  • $250

    Consumer Reports · Yonkers, NY · 2023

    Program Support

  • $250

    Wikimedia Foundation · San Francisco, CA · 2023

    Program Support

  • $250

    Marlow Guitar International · Rockville, MD · 2022

    General Support

  • $250

    Wikimedia Foundation · San Francisco, CA · 2022

    General Support

  • $200

    Sigma Xi- Scientific Res Honor Soc · Research Triangle Park, NC · 2023

    Program Support

  • $200

    Consumer Reports · Yonkers, NY · 2022

    General Support

Who else funds this kind of work

Same state

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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.