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Foundation Lookup

Form 990-PFTax year 2025EIN 76-0383386

Catalyst Foundation

A private foundation in Mamaroneck, NY. Its return for tax year 2025 lists 3 grants and $160,000 paid in grants.

See which foundations fund work like yours Matching by cause, place and grant size

Tax year 2025 (period ending Dec 31, 2025), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Accepts applications

The return gives an application contact and rules, as below.

Contact
See website wwwcatalyst-foundationo
420 Columbus Avenue Suite 320
Valhalla, NY 10595
(914) 772-6862
[email protected]
Form and materials
Application on website
Deadlines
See website
Restrictions
See website

Assets and giving by year

8 returns on file
Grants paid by tax year. The latest year is in blue.

  • Tax year 2025

    $160,000

    Grants listed
    3
    Assets, end of year
    $3,747,951

  • Tax year 2024

    $158,862

    Grants listed
    2
    Assets, end of year
    $3,734,932

  • Tax year 2023

    $181,138

    Grants listed
    3
    Assets, end of year
    $3,626,622

  • Tax year 2022

    $124,500

    Grants listed
    3
    Assets, end of year
    $3,873,343

  • Tax year 2021

    $66,000

    Grants listed
    3
    Assets, end of year
    $4,099,099

  • Tax year 2020

    $127,610

    Grants listed
    3
    Assets, end of year
    $3,807,762

  • Tax year 2019

    $123,485

    Grants listed
    3
    Assets, end of year
    $3,546,873

  • Tax year 2018

    $244,255

    Grants listed
    4
    Assets, end of year
    $3,499,980

Grants paid in 2025

3 grants, largest first

As listed on the return.

  1. University of WashingtonSeattle, WA

    Research grant

    $80,000
  2. Columbia UniversityNew York, NY

    Research grant

    $60,000
  3. GeoHazards InternationalPleasanton, CA

    Research grant

    $20,000

Where the money goes

By cause: grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Jobs and employment1 grant $80,00057% of the total
  2. Education1 grant $60,00043% of the total

By State

Grants to organizations with a US address, latest year.

  1. Washington1 grant $80,000
  2. New York1 grant $60,000
  3. California1 grant $20,000

Officers, directors and trustees

5 people as filed

As filed on the return, with average hours per week and pay from the foundation.

  • Ken SuyamaPresident/Trustee Hours 3Pay $30,000
  • Yoshihiko HorioVP/Trustee Hours 3Pay $22,000
  • William H CaudillSecretary/Trustee Hours 3Pay $500
  • Hatsumi SuyamaTreasurer/Trustee Hours 3Pay $500
  • Shigeko WoolfalkTrustee Hours 3Pay $7,600

The return

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