The Teton Range reflected in a lake in Grand Teton National Park, Wyoming

Form 990-PFTax year 2025EIN 23-7135835

Vernon & Rowena Griffith Foundation

A private foundation in Sheridan, WY. Its return for tax year 2025 lists 11 grants and $688,580 paid in grants.

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

Preselected only

The return checks the box saying the foundation gives only to preselected organizations and does not accept unsolicited requests. It still lists the details below.

Contact person
On file
Phone
On file
Mailing address
On file
Form and materials
On file
Deadlines
There are no specific deadlines
Restrictions
All awards and grants are at the total discretion of the board of trustees

Contact person, phone, mailing address and application materials on file. See them with a plan.

Assets and giving by year

8 returns on file
Grants paid by tax year. The latest year is in blue.
  • Tax year 2025

    $688,580

    Grants listed
    11
    Assets, end of year
    $14,826,469
  • Tax year 2024

    $714,580

    Grants listed
    14
    Assets, end of year
    $15,128,716
  • Tax year 2023

    $886,580

    Grants listed
    12
    Assets, end of year
    $15,088,894
  • Tax year 2022

    $871,580

    Grants listed
    14
    Assets, end of year
    $15,375,554
  • Tax year 2021

    $721,980

    Grants listed
    10
    Assets, end of year
    $15,808,238
  • Tax year 2020

    $642,900

    Grants listed
    10
    Assets, end of year
    $15,189,174
  • Tax year 2019

    $707,900

    Grants listed
    10
    Assets, end of year
    $14,899,522
  • Tax year 2018

    $820,000

    Grants listed
    10
    Assets, end of year
    $15,358,614

Grants paid in 2025

11 grants, largest first

As listed on the return.

  1. Sheridan Memorial HospitalSheridan, WY

    Support hospital functions

    $250,000
  2. Sheridan County Senior CenterSheridan, WY

    Support community senior center

    $175,000
  3. Sheridan Community Land TrustSheridan, WY

    Support public lands and trails

    $75,000
  4. Sheridan CollegeSheridan, WY

    Support for school functions

    $71,580
  5. Wyo Theater IncSheridan, WY

    To support theater

    $55,000
  6. St Peters Episcopal ChurchSheridan, WY

    Support church activites

    $25,000
  7. Girl ScoutsSheridan, WY

    Support girl scout program

    $12,000
  8. Youth IncSheridan, WY

    Support youth camping

    $10,000
  9. Big Brothers Big SistersSheridan, WY

    Support area youth

    $5,000
  10. The Food GroupSheridan, WY

    Support for food group

    $5,000
  11. Sheridan County Soccer AssocSheridan, WY

    To support youth soccer

    $5,000

Where the money goes

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

  1. Environment1 grant $75,00094% of the total
  2. Food and agriculture1 grant $5,0006% of the total

By State

Grants to organizations with a US address, latest year.

  1. Wyoming11 grants $688,580

Officers, directors and trustees

5 people as filed

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

  • Steven C HarkerPRESIDENT Hours 1Pay $7,200
  • Karen GreenTREASURER Hours 1Pay $7,200
  • Ronald J DestefanoSECRETARY Hours 1Pay $7,200
  • Anthony TarverDIRECTOR Hours 1Pay $7,200
  • Mark DempleDIRECTOR Hours 1Pay $7,200

The return

More foundations

Similar foundations

Same main cause (environment), giving between a quarter and four times this foundation’s where possible, nearby first.

  1. Plank Stewardship InitiativeSheridan, WY 17 grants Accepts applications $278,961 giving
  2. Garaman Charitable FoundationJackson, WY 7 grants Preselected only $697,455 giving
  3. The Amy and Steve Unfried FoundationWilson, WY 14 grants Preselected only $520,000 giving
  4. Sobecki Family FoundationJackson, WY 25 grants Preselected only $1,069,500 giving
  5. Seven Pines FoundationJackson, WY 6 grants Accepts applications $343,500 giving