Horizon Institute for Public Service
The specific and primary purpose of the organization is to engage in charitable, educational, and scientific activities within the meaning of section 501(c)(3) of the code, including, but not limited to, helping interested individuals learn about and gain experience with U.S. government work in emerging technologies and assisting the U.S. government in its search for emerging technology expertise.
Horizon Institute for Public Service at a glance
In short: Horizon Institute for Public Service gave $147K across 2 grants in 2024 (avg $73K), mostly in District of Columbia. Source: 2024 IRS Form 990.
- Annual giving (2024)
- $146,766
- -86.5% vs 2023
- Grants made (2024)
- 2
- -71.4% vs 2023
- Average grant
- $73,383
- -52.7% vs 2023
- Median grant
- $73,383
- Total assets
- $20,024,961
- +68.3% vs 2023
- Primary geography
- District of Columbia (100% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990, 2024 View filing
Data from IRS Form 990, 2024; updated September 2026.
How to apply to Horizon Institute for Public Service
Open Grants
2 open opportunities from Horizon Institute for Public Service
AIxBio Game Changers Workshop
Horizon Institute for Public Service
Amount
Fully funded (all travel and accommodation expenses covered)
Deadline
Deadline not published
Horizon Fellowship
Horizon Institute for Public Service
Amount
$113,000/year for fellows; $75,000/year for junior fellows, plus $15,000 health care support, $3,000 professional development stipend, up to $3,000 relocation
Deadline
Deadline not published
Who Horizon Institute for Public Service funds
How this funder distributes its grants
Top Recipients
Top 2 recipients in 2024
The largest 2024 recipient was Center for Democracy & Technology ($116K). Together the top 2 received $147K.
Grant Size Distribution
9 grants across all recorded years
The most common grant size was under $50K: 4 grants of 9 (44%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2024 grant dollars across all 2 itemized grants.
Cities
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2023 to 2024, annual grant giving ranged from $147K (2024) to $1.1M (2023). In 2024 it made 2 grants totaling $147K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Center for Democracy & Technology Washington, DC | Fellowship Grant | $115,516 |
| Center for Strategic and International Studies Washington, DC | Fellowship Grant | $31,250 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2024 | $20,024,961 | $13,091,933 | $5,243,974 | $146,766 | 2 | $532,264 |
| 2023 | $11,895,280 | $4,351,283 | $4,214,849 | $1,086,940 | 7 | $418,903 |
| 2022 | $11,807,526 | $11,937,990 | $222,005 | — | — | — |
About Horizon Institute for Public Service
Based on IRS filings
Horizon Institute for Public Service is a public charity, based in Washington, DC. IRS filing data is available from 2022 through 2024. As of 2024, the organization holds $20.0M in total assets. In 2024, it awarded 2 grants totaling $147K. Net investment income was $532K.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
Horizon Institute for Public Service is led by Remco Zwetsloot, Executive Director & President on every filing since 2022; 7 of 11 officers listed in 2024 are compensated.
Officers on the 2024 filing
Remco Zwetsloot
Executive Director & President
On filings since 2022
40 hrs/week
$34K (2022) → $175K (2024)
Joan Gass
Managing Director & Treasurer
On filings since 2022
40 hrs/week
$34K (2022) → $175K (2024)
Darius Meissner
Senior Program Director
New on the 2024 filing
40 hrs/week
$105K (2024)
Mikaela Meclellan Saccoccio
Director of Programs & Events
New on the 2024 filing
40 hrs/week
$116K (2024)
Ryan Remmel
Director of Talent
New on the 2024 filing
40 hrs/week
$104K (2024)
Andrew Weber
Director
On filings since 2023
1 hr/week
No compensation reported
Caroline Mehl
Director
On filings since 2023
1 hr/week
No compensation reported
Nick Allardice
Director
On filings since 2023
1 hr/week
No compensation reported
Michael Jacob
Fellow
New on the 2024 filing
40 hrs/week
$121K (2024)
Sophia Brown-Heidenreich
Senior Advisor
New on the 2024 filing
40 hrs/week
$125K (2024)
Josh Wentzel
Secretary
New on the 2024 filing
1 hr/week
No compensation reported
Former officers (2)
- Former: Helen Toner (2022–2023) — Secretary
- Former: John Wentzel (2023) — Director
Data from IRS Form 990 filings, 2022–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2024 IRS filing
The highest reported compensation on the 2024 filing was $175K, to Remco Zwetsloot (Executive Director, President). 7 officers or directors reported compensation on that filing.
Frequently asked questions about Horizon Institute for Public Service
How much does Horizon Institute for Public Service give each year?
Horizon Institute for Public Service gave $147K across 2 grants in 2024, according to its 2024 IRS Form 990. In 2023 it gave $1.1M across 7 grants.
How large is Horizon Institute for Public Service?
Horizon Institute for Public Service reported $20.0M in total assets on its 2024 IRS Form 990. Its revenue that year was $13.1M.
Where does Horizon Institute for Public Service operate?
Horizon Institute for Public Service has awarded grants in California, District of Columbia.
What is Horizon Institute for Public Service's EIN?
Horizon Institute for Public Service's EIN (Employer Identification Number) is 87-4657441. IRS Form 990 filing data is available on this page for 2022–2024.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(3)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2023 (received by the IRS April 29, 2024)
- Updated Form 990 for fiscal year 2024 (received by the IRS November 6, 2025)
- IRS filings on file for fiscal years 2022–2024
Explore Open Grants
Browse active grant opportunities in Horizon Institute for Public Service's focus areas in our free grants database
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Figures come from Horizon Institute for Public Service'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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