Western Society of Weed Science

Private foundation Westminster, CO EIN: 87-6129835

Western Society of Weed Science is a private foundation focused on Education, based in Westminster, CO. IRS filing data is available from 2020 through 2026. As of 2026, the organization holds $440K in total assets. In 2026, it made $155K in qualifying distributions.

Western Society of Weed Science at a glance

Total assets
$439,622
-14.7% vs 2025
Revenue (2026)
$148,691
-19.5% vs 2025
Qualifying distributions (2026)
$154,685
+23.0% vs 2025
Expenses (2026)
$224,470
+18.3% vs 2025
Latest 990 filing
Form 990-PF, 2026 View filing

Data from IRS Form 990-PF, 2026; updated October 2026.

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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesQualifying Distributions
2026$439,622$148,691$224,470$154,685
2025$515,401$184,737$189,767$125,764
2024$520,431$179,725$86,318$30,572
2023$427,024$172,782$143,094$81,356
2022$475,210$133,163$88,915$20,823
2021$430,962$148,152$91,073—
2020$373,883$13,223$130,678—

Leadership & Key People

Officers and directors from IRS filings

Western Society of Weed Science is led by Timothy Prather, President on every filing since 2025; none of the 17 officers listed in 2026 report compensation.

Officers on the 2026 filing

  • Timothy Prather

    President

    On filings since 2025

    2 hrs/week

    No compensation reported

  • Alam Helm

    Director

    On filings since 2025

    2 hrs/week

    No compensation reported

  • Albert Adjesiwor

    Director

    On filings since 2025

    2 hrs/week

    No compensation reported

  • Beth Fowers

    Director

    On filings since 2025

    2 hrs/week

    No compensation reported

  • David Krueger

    Director

    On filings since 2025

    2 hrs/week

    No compensation reported

  • Dirk Baker

    Director

    On filings since 2025

    2 hrs/week

    No compensation reported

  • Gregory Dahl

    Director

    On filings since 2025

    2 hrs/week

    No compensation reported

  • Lovreet Shergill

    Director

    On filings since 2025

    2 hrs/week

    No compensation reported

  • Mackenzie Barth

    Director

    On filings since 2025

    2 hrs/week

    No compensation reported

  • Sandra McDonald

    Director

    On filings since 2025

    2 hrs/week

    No compensation reported

  • Eric Gustafson

    Business Manager

    Treasurer → Business Manager, 2023

    On filings since 2020

    5 hrs/week

    No compensation reported

  • Brad Hanson

    Secretary

    On filings since 2025

    2 hrs/week

    No compensation reported

  • Carl Coburn

    President Elect

    On filings since 2025

    2 hrs/week

    No compensation reported

  • Curtis Rainbolt

    Past President

    On filings since 2025

    2 hrs/week

    No compensation reported

  • Derek Sebastian

    Member at Large

    On filings since 2025

    2 hrs/week

    No compensation reported

  • Erik Lehnoff

    Member at Large

    On filings since 2025

    2 hrs/week

    No compensation reported

  • Ryan Rapp

    Treasurer

    On filings since 2025

    2 hrs/week

    No compensation reported

Former officers (4)
  • Former: Andrew Kniss (2020–2024) — Director
  • Former: Corey Ransom (2020–2024) — President Elect
  • Former: D Chad Cummings (2020–2024) — Secretary
  • Former: Pat Clay (2020–2024) — President

Data from IRS Form 990 filings, 2020–2026. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Frequently asked questions about Western Society of Weed Science

How large is Western Society of Weed Science?

Western Society of Weed Science reported $440K in total assets on its 2026 IRS Form 990-PF. Its revenue that year was $149K.

What is Western Society of Weed Science?

Western Society of Weed Science is a private foundation focused on Education, based in Westminster, CO. It holds $440K in total assets as of 2026.

What is Western Society of Weed Science's EIN?

Western Society of Weed Science's EIN (Employer Identification Number) is 87-6129835. IRS Form 990 filing data is available on this page for 2020–2026.

Data last updated October 2026. Sourced from IRS Form 990-PF filings.

Data update history

(2)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2026 (received by the IRS June 2, 2026)
  2. IRS filings on file for fiscal years 2020–2025

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from Western Society of Weed Science's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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