American Otological Society Research Foundation
Continue the improvement of patient care by the advancement of physician knowledge of otology through research.
Key facts about American Otological Society Research Foundation
In short: American Otological Society Research Foundation gave $499K across 9 grants in 2025 (avg $55K), top state Florida. Source: 2025 IRS Form 990.
- EIN
- 20-5095702
- Latest 990 filing
- Form 990, 2025
- Annual giving (2025)
- $499,000
- Grants made (2025)
- 9
- Average grant
- $55,444
- Median grant
- $44,000
- Total assets
- $13,688,930
- Primary geography
- Florida (20% of itemized 2025 grant dollars)
Data from IRS Form 990, 2025; updated September 2026.
Financial Overview
From 2025 IRS Form 990 · View filing
Total Assets
$13.7M
+4.9% YoY
Annual Giving
$499K
+20.0% YoY
Grant Count
9
-18.2% YoY
Avg Grant Size
$55K
+46.7% YoY
How American Otological Society Research Foundation gives
- Giving grew 37% from 2022 to 2025. Method
From the foundation's IRS Form 990 filings. Methodology.
About American Otological Society Research Foundation
Based on IRS filings
American Otological Society Research Foundation is a public charity focused on Diseases, Disorders & Medical Disciplines, based in St Petersburg, FL. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $13.7M in total assets. In 2025, it awarded 9 grants totaling $499K. Net investment income was $786K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 9 itemized grants.
States
Cities
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $304K (2019) to $499K (2025). In 2025 it made 9 grants totaling $499K.
Grant Insights
How this funder distributes its grants
Top Recipients
Top 9 recipients in 2025
The largest 2025 recipient was American Otological Society Inc ($100K). Together the top 9 received $499K.
Grant Size Distribution
40 grants across all recorded years
The most common grant size was under $50K: 23 grants of 40 (57%).
Giving History
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| American Otological Society Inc St Petersburg, FL | Advance and Promote Medical and Surgical Otology Neurotology | $100,000 |
| University of Iowa Iowa City, IA | Lifetime of the tip link in living hair cells | $80,000 |
| University of Michigan Ann Arbor, MI | The impact of single-sided deafness on behavioral compensation and binaural cues during complex localization and speech-in-noise tasks | $55,000 |
| Johns Hopkins University Baltimore, MD | Identification of biomarkers in human plasma for diagnosis of vestibular migraine | $55,000 |
| Indiana University Bloomington, IN | Anyway you splice it: exonic splice-altering variants and otof-related hearing loss | $44,000 |
| University of Virginia Charlottesville, VA | The role of post-translational modifications of pcdh15 in hair bundle morphogenesis and function | $44,000 |
| Boston Children's Hospital Boston, MA | Genetic Models of Synaptopathy Suggest Novel Therapeutic Approaches | $44,000 |
| University of Kentucky Lexington, KY | Molecular mechanisms regulating activation of mechano-electrical transducer channels in mammalian auditory hair cells | $44,000 |
| Washington University in St Louis St. Louis, MO | Revealing molecular and cellular drivers of cholesteatoma pathogenesis in children using single-cell rna sequencing | $33,000 |
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $13,688,930 | $13,053,562 | $12,050,072 |
| Revenue | $795,842 | $868,754 | $670,921 |
| Expenses | $618,386 | $522,889 | $420,474 |
| Net Investment Income | $785,620 | $859,416 | $663,758 |
Data update history
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2019 (received by the IRS May 20, 2020)
- Updated Form 990 for fiscal year 2020 (received by the IRS May 13, 2021)
- Updated Form 990 for fiscal year 2021 (received by the IRS March 11, 2022)
- Updated Form 990 for fiscal year 2022 (received by the IRS May 2, 2023)
- Updated Form 990 for fiscal year 2023 (received by the IRS May 13, 2024)
- Updated Form 990 for fiscal year 2024 (received by the IRS May 2, 2025)
- Updated Form 990 for fiscal year 2025 (received by the IRS April 12, 2026)
- IRS filings on file for fiscal years 2019–2025
Leadership & Key People
Officers and directors from IRS filings
American Otological Society Research Foundation is led by William H. Slattery III MD, President since 2025 (on filings since 2020); none of the 8 officers listed in 2025 report compensation.
Officers on the 2025 filing
William H. Slattery III MD
President
Council Member → President - Elect, 2024
President - Elect → President, 2025
On filings since 2020
2 hrs/week
No compensation reported
Lawrence R. Lustig MD
Past President
President → Immediate Past President, 2024
Immediate Past President → Past President, 2025
On filings since 2019
1 hr/week
No compensation reported
Sujana S. Chandrasekhar MD
Immediate Past President
President - Elect → President, 2024
President → Immediate Past President, 2025
On filings since 2019
1 hr/week
No compensation reported
Nancy M. Young MD
President-Elect
Education-Director → Education Director, 2022
Education Director → President-Elect, 2025
On filings since 2021
2 hrs/week
No compensation reported
David R. Friedland MD PhD
Secretary-Treasurer
Secratary Treasurer → Secretary-Treasurer, 2025
On filings since 2023
4 hrs/week
No compensation reported
Dennis S. Poe MD PhD
Council Member
On filings since 2024
1 hr/week
No compensation reported
Bradley W. Kesser MD
Education Director-Elect
New on the 2025 filing
1 hr/week
No compensation reported
Nikolas H. Blevins MD
Council Member
New on the 2025 filing
1 hr/week
No compensation reported
Former officers (7)
- Former: Marlan R. Hansen MD (2019–2024) — Past President
- Former: Nikolas Hblevinsmd (2022–2024) — Council Member
- Former: Patrick J. Antonelli MD (2019–2023) — Past President
- Former: John P. Carey MD (2019–2022) — Past President
- Former: Carol A. Bauer MD (2019–2021) — Past President
- Former: Roberto A. Cueva MD (2019–2020) — Past President
- Former: Samuel H. Selesnick MD (2019) — Past President
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.
Frequently asked questions about American Otological Society Research Foundation
How much does American Otological Society Research Foundation give each year?
American Otological Society Research Foundation gave $499K across 9 grants in 2025, according to its 2025 IRS Form 990. In 2024 it gave $416K across 11 grants.
What is American Otological Society Research Foundation's typical grant size?
American Otological Society Research Foundation's median grant in 2025 was $44,000, and its average grant was $55,444, across 9 grants on its 2025 IRS Form 990.
Where does American Otological Society Research Foundation give grants?
American Otological Society Research Foundation's top state is Florida, with 20% of the grant dollars itemized on its 2025 IRS Form 990. The next largest states were Iowa (16%) and Michigan (11%).
Does American Otological Society Research Foundation give general operating support?
Not in 2025: none of the 9 grants with a stated purpose on American Otological Society Research Foundation's 2025 IRS Form 990 were described as general or operating support.
Who are American Otological Society Research Foundation's largest grantees?
American Otological Society Research Foundation's largest 2025 grantees include American Otological Society Inc ($100,000), University of Iowa ($80,000) and University of Michigan ($55,000), according to its 2025 IRS Form 990. Together they received 47% of its itemized 2025 grant dollars.
How large is American Otological Society Research Foundation?
American Otological Society Research Foundation reported $13.7M in total assets on its 2025 IRS Form 990. Its revenue that year was $796K.
What is American Otological Society Research Foundation?
American Otological Society Research Foundation is a public charity focused on Diseases, Disorders & Medical Disciplines, based in St Petersburg, FL. It holds $13.7M in total assets as of 2025.
What is American Otological Society Research Foundation's EIN?
American Otological Society Research Foundation's EIN (Employer Identification Number) is 20-5095702. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
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