Harrison Avian Research and

Public charity · Grantmaker S Palm Beach, FL EIN: 88-3678144

Harcc's mission is to be the global resource for investigating the effects of environmental, dietary, and human influences on the long-term sustainability of captive and wild bird populations.

Harrison Avian Research and at a glance

Total assets
$417,265
-19.1% vs 2024
Revenue (2025)
$309,956
+1623.4% vs 2024
Net investment income (2025)
$9,956
-44.6% vs 2024
Expenses (2025)
$408,212
+309.1% vs 2024
Latest 990 filing
Form 990, 2025 View filing

Data from IRS Form 990, 2025; updated September 2026.

Who Harrison Avian Research and funds

How this funder distributes its grants

Grant Size Distribution

8 grants across all recorded years

8<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 8 grants of 8 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

4states

Cities

Los AngelesAthensHollis HillsIthacaRockwood

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$20K$40K$60K4 grants2023 4 grants2024 0 grants2025

From 2023 to 2024, annual grant giving ranged from $56K (2023) to $58K (2024). In 2024 it made 4 grants totaling $58K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
East TN Clinical Research Inc Rockwood, TNResearch Grant$16,439
One Earth Conservation Hollis Hills, NYProtect Macaw Nests$15,000
Regents of University of California Los Angeles, CAResearch Grant$14,960
Regents of University of California Los Angeles, CAResearch Grant$11,844
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsNet Investment Income
2025$417,265$309,956$408,212——$9,956
2024$515,521$17,985$99,794$58,2434$17,985
2023$597,330$681,299$83,969$55,7644$16,604

About Harrison Avian Research and

Based on IRS filings

Harrison Avian Research and is a public charity focused on Environment & Animals, based in S Palm Beach, FL. IRS filing data is available from 2023 through 2025. As of 2025, the organization holds $417K in total assets. Net investment income was $10K.

Leadership & Key People

Officers and directors from IRS filings

Harrison Avian Research and is led by Greg J. Harrison Dvm, President on the 2025 filing; none of the 6 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Greg J. Harrison Dvm

    President

    New on the 2025 filing

    1 hr/week

    No compensation reported

  • Linda R. Harrison

    Secretary Tr

    Secretary → Secretary Tr, 2025

    On filings since 2023

    1 hr/week

    No compensation reported

  • Tia Greenberg Dvm

    Advisory Board

    Treasurer → Advisory Board, 2025

    On filings since 2023

    1 hr/week

    No compensation reported

  • Katherine Quesenberry Dvm

    Advisory Board

    New on the 2025 filing

    1 hr/week

    No compensation reported

  • Susan J. Tyson Dvm

    Advisory Board

    New on the 2025 filing

    1 hr/week

    No compensation reported

  • Todd Driggers Dvm

    Advisory Board

    New on the 2025 filing

    1 hr/week

    No compensation reported

Former officers (9)
  • Former: Greg J. Harrison (2023–2024) — President
  • Former: Bianca Zaffarano (2024) — Advisory Board
  • Former: Katherine Quesenberry (2024) — Advisory Board
  • Former: Susan J. Tyson (2024) — Advisory Board
  • Former: Tia Greenberg (2024) — Advisory Board
  • Former: Todd Driggers (2024) — Advisory Board
  • Former: Bianca Zaffarano Dvm (2023) — Advisory Board
  • Former: Claudia Hochleithner Dvm (2023) — Advisory Board
  • Former: Manfred Hochleithner Dvm (2023) — Vice President

Data from IRS Form 990 filings, 2023–2025. "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 Harrison Avian Research and

How large is Harrison Avian Research and?

Harrison Avian Research and reported $417K in total assets on its 2025 IRS Form 990. Its revenue that year was $310K.

What is Harrison Avian Research and?

Harrison Avian Research and is a public charity focused on Environment & Animals, based in S Palm Beach, FL. It holds $417K in total assets as of 2025.

Where does Harrison Avian Research and operate?

Harrison Avian Research and has awarded grants in California, Georgia, New York, Tennessee.

What is Harrison Avian Research and's EIN?

Harrison Avian Research and's EIN (Employer Identification Number) is 88-3678144. IRS Form 990 filing data is available on this page for 2023–2025.

Data last updated September 2026. Sourced from IRS Form 990 filings.

Data update history

(2)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990 for fiscal year 2025 (received by the IRS July 16, 2026)
  2. IRS filings on file for fiscal years 2023–2024

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

Figures come from Harrison Avian Research and'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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