Guardian Research Network Inc
Guardian Research Network Inc is a private foundation focused on Diseases, Disorders & Medical Disciplines, based in Spartanburg, SC. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $7.1M in total assets. In 2025, it made $13.2M in qualifying distributions. Net investment income was $208.
Guardian Research Network Inc at a glance
- Total assets
- $7,071,580
- +153.5% vs 2024
- Revenue (2025)
- $16,088,992
- +108.3% vs 2024
- Qualifying distributions (2025)
- $13,188,674
- +50.8% vs 2024
- Expenses (2025)
- $13,324,058
- +51.6% vs 2024
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026.
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Qualifying Distributions | Net Investment Income |
|---|---|---|---|---|---|
| 2025 | $7,071,580 | $16,088,992 | $13,324,058 | $13,188,674 | $208 |
| 2024 | $2,790,030 | $7,722,415 | $8,786,577 | $8,743,039 | — |
| 2023 | $2,232,303 | $9,828,192 | $11,927,499 | $10,921,535 | — |
| 2022 | $4,418,356 | $10,111,868 | $10,044,124 | $10,033,439 | $63,409 |
| 2021 | $5,064,822 | $10,301,125 | $9,396,073 | — | $86,546 |
| 2020 | $4,176,147 | $8,212,616 | $8,798,659 | — | $116,782 |
| 2019 | $4,491,689 | $7,404,442 | $8,787,882 | — | — |
Leadership & Key People
Officers and directors from IRS filings
Guardian Research Network Inc is led by Elmer Bruce Holstien, Chairman & Chief Executive Officer on the 2025 filing; 5 of 12 officers listed in 2025 are compensated.
Officers on the 2025 filing
Elmer Bruce Holstien
Chairman & Chief Executive Officer
New on the 2025 filing
40 hrs/week
No compensation reported
Randy Axelrod
President
New on the 2025 filing
40 hrs/week
$132K (2025)
Mark Billings
Director
On filings since 2019
1 hr/week
No compensation reported
Robert D. Siegel MD
Director
On filings since 2019
1 hr/week
No compensation reported
Gerard Colman
Director
On filings since 2021
1 hr/week
No compensation reported
Jay W. Carlson
Director
On filings since 2021
1 hr/week
No compensation reported
Michael J. Zinner MD
Director
On filings since 2021
1 hr/week
No compensation reported
Gian Varbaro
Director
On filings since 2023
1 hr/week
No compensation reported
Adam Chasse
Chief Business Development Officer & Secretary
Vice President Clinical Ops → Chief Business Development Officer, 2023
Chief Business Development Officer → Chief Business Development Officer & Secretary, 2024
On filings since 2019
40 hrs/week
$250K (2019) → $256K (2025)
Charlie Hurmiz
Chief Information Officer
Chief Technology Officer → Chief Information Officer, 2024
On filings since 2023
40 hrs/week
$281K (2023) → $292K (2025)
Shirley Trainor-Thomas
Chief Administrative Officer
Chief Administrator Officer → Chief Administrative Officer, 2024
On filings since 2023
40 hrs/week
$205K (2023) → $252K (2025)
Stephen Hall
Chief Financial Officer & Treasurer
CFO → Chief Financial Officer & Treasurer, 2024
On filings since 2023
40 hrs/week
$262K (2023) → $298K (2025)
Former officers (15)
- Former: Mark Watson (2019–2024) — COO & Director
- Former: Bruce Holstien (2024) — Chairman & Chief Executive Officer
- Former: Matt Johnson (2024) — Director
- Former: E. Bruce Holstien (2021–2023) — Chairman & CEO
- Former: Robert E. Bakin (2021–2023) — Chief Compliance Officer
- Former: Matthew Johnson MD (2022–2023) — Director
- Former: Caio Max S. Rocha Lima MD (2019–2021) — Chief Medical Officer
- Former: Bruce Holstein (2019–2020) — Chairman & CEO
- Former: Colleen Queeny (2019–2020) — Director of Project Mgt
- Former: Fred McQuery MD (2019–2020) — Director
- Former: Harry McKeon (2019–2020) — Quality Assurance Manager
- Former: Juandalynn Heslop (2019–2020) — Manager Legal Affairs & New Partner Mgt
- Former: Ryan Owens (2019–2020) — Nlt & Ai Manager
- Former: Timothy Jahn (2019–2020) — Director
- Former: Timothy Yeatman Md Facs (2019–2020) — Chief Scientific Officer & Director
Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $298K, to Stephen Hall (Chief Financial Officer, Treasurer). 5 officers or directors reported compensation on that filing.
Frequently asked questions about Guardian Research Network Inc
How large is Guardian Research Network Inc?
Guardian Research Network Inc reported $7.1M in total assets on its 2025 IRS Form 990-PF. Its revenue that year was $16.1M.
What is Guardian Research Network Inc?
Guardian Research Network Inc is a private foundation focused on Diseases, Disorders & Medical Disciplines, based in Spartanburg, SC. It holds $7.1M in total assets as of 2025.
What is Guardian Research Network Inc's EIN?
Guardian Research Network Inc's EIN (Employer Identification Number) is 81-1145518. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated October 2026. Sourced from IRS Form 990 filings.
Data update history
(3)
When this profile's IRS filing data changed on Grantable
- Added Form 990 for fiscal year 2019 (received by the IRS August 17, 2020)
- Added Form 990-PF for fiscal year 2025 (received by the IRS August 12, 2026)
- IRS filings on file for fiscal years 2020–2024
Live grants for the work Guardian Research Network Inc funds
Diseases, Disorders & Medical Disciplines Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in Guardian Research Network Inc's focus areas in our free grants database
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Guardian Research Network Inc down — hundreds of funders to go?