Nonprofit · EIN 46-1500334
INTERNATIONAL SOCIETY FOR OTITIS MEDIA INC
Tax-exempt · MILWAUKEE, WI 53226
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $110,494 | $73,123 | $37,371 | $282,360 | $0 | $282,360 |
| December 31, 2024 | 990 | $7,275 | $4,015 | $3,260 | $244,989 | $0 | $244,989 |
| December 31, 2023 | 990 | $138,111 | $58,219 | $79,892 | $241,729 | $0 | $241,729 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $52,844
- Membership dues
- $8,325
- Program service revenue
- $50,142
- Investment income
- $7,508
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $20,840
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Accounting fees
- $1,625
- Depreciation
- $262
- Program services (functional)
- $65,881
- Management and general (functional)
- $7,242
Balance sheet and other
- Total assets, start of year
- $244,989
- Total assets, end of year
- $282,360
- Total liabilities, end of year
- $0
- Net assets, end of year
- $282,360
- Net assets without donor restrictions
- $282,360
- Gross receipts
- $110,494
- Employees
- 0
- Volunteers
- 30
- Year formed
- 2012
- State of legal domicile
- WI
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DIEGO PRECIADO | DIRECTOR Trustee or director | 0.25 | $0 |
| JIAN-DONG LI | DIRECTOR Trustee or director | 0.25 | $0 |
| KEVIN MASON | PRESIDENT Trustee or director, Officer | 0.25 | $0 |
| JOSEPH KERSCHNER | DIRECTOR Trustee or director | 0.25 | $0 |
| MARGHERETHA CASSELBRANDT | DIRECTOR Trustee or director | 0.25 | $0 |
| GARTH EHLRICH | DIRECTOR Trustee or director | 0.25 | $0 |
| KEN KAZAHAYA | DIRECTOR Trustee or director | 0.25 | $0 |
| MUNEKI HOTOMI | DIRECTOR Trustee or director | 0.25 | $0 |
| KAVITA DEDHIA | DIRECTOR Trustee or director | 0.25 | $0 |
| CUNEYT ALPER | DIRECTOR Trustee or director | 0.25 | $0 |
| JILLIAN HURST | DIRECTOR Trustee or director | 0.25 | $0 |
| ANN HERMANSSON | DIRECTOR Trustee or director | 0.25 | $0 |
| PREBEN HOMOE | DIRECTOR Trustee or director | 0.25 | $0 |
| PAUL LITTLE | DIRECTOR Trustee or director | 0.25 | $0 |
| ROBYN MARSH | DIRECTOR Trustee or director | 0.25 | $0 |
11 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| PETER MORRIS | DIRECTOR Trustee or director | 0.25 | $0 |
| STEPHEN PELTON | DIRECTOR Trustee or director | 0.25 | $0 |
| ALLEN RYAN | PAST PRESIDENT Trustee or director, Officer | 0.25 | $0 |
| JOHANNA NOKSO-KOIVISTO | DIRECTOR Trustee or director | 0.25 | $0 |
| TANIA SIH | DIRECTOR Trustee or director | 0.25 | $0 |
| RODERICK VENEKAMP | DIRECTOR Trustee or director | 0.25 | $0 |
| KENNETH BROCKMAN | SECRETARY Trustee or director, Officer | 0.25 | $0 |
| REGIE SANTOS CORTEZ | TREASURER Trustee or director, Officer | 0.25 | $0 |
| TAL MAROM | DIRECTOR Trustee or director | 0.25 | $0 |
| LYNNE LIM | DIRECTOR Trustee or director | 0.25 | $0 |
| RUTH THORNTON | DIRECTOR Trustee or director | 0.25 | $0 |
990 for the year ended December 31, 2024: 26 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DIEGO PRECIADO | DIRECTOR Trustee or director | 0.25 | $0 |
| JIAN-DONG LI | DIRECTOR Trustee or director | 0.25 | $0 |
| KEVIN MASON | PRESIDENT-ELECT Trustee or director, Officer | 0.25 | $0 |
| JOSEPH KERSCHNER | DIRECTOR Trustee or director | 0.25 | $0 |
| MARGHERETHA CASSELBRANDT | DIRECTOR Trustee or director | 0.25 | $0 |
| GARTH EHLRICH | DIRECTOR Trustee or director | 0.25 | $0 |
| KEN KAZAHAYA | DIRECTOR Trustee or director | 0.25 | $0 |
| MUNEKI HOTOMI | DIRECTOR Trustee or director | 0.25 | $0 |
| ROXANNE LINK | DIRECTOR Trustee or director | 0.25 | $0 |
| CUNEYT ALPER | DIRECTOR Trustee or director | 0.25 | $0 |
| LAUREN BAKALETZ | DIRECTOR Trustee or director | 0.25 | $0 |
| ANN HERMANSSON | DIRECTOR Trustee or director | 0.25 | $0 |
| PREBEN HOMOE | DIRECTOR Trustee or director | 0.25 | $0 |
| PAUL LITTLE | DIRECTOR Trustee or director | 0.25 | $0 |
| ROBYN MARSH | DIRECTOR Trustee or director | 0.25 | $0 |
| PETER MORRIS | DIRECTOR Trustee or director | 0.25 | $0 |
| STEPHEN PELTON | DIRECTOR Trustee or director | 0.25 | $0 |
| ALLEN RYAN | PRESIDENT Trustee or director, Officer | 0.25 | $0 |
| JOHANNA NOKSO-KOIVISTO | DIRECTOR Trustee or director | 0.25 | $0 |
| TANIA SIH | DIRECTOR Trustee or director | 0.25 | $0 |
| RODERICK VENEKAMP | DIRECTOR Trustee or director | 0.25 | $0 |
| KENNETH BROCKMAN | SECRETARY Trustee or director, Officer | 0.25 | $0 |
| REGIE SANTOS CORTEZ | TREASURER Trustee or director, Officer | 0.25 | $0 |
| TAL MAROM | DIRECTOR Trustee or director | 0.25 | $0 |
| LYNNE LIM | DIRECTOR Trustee or director | 0.25 | $0 |
| RUTH THORNTON | DIRECTOR Trustee or director | 0.25 | $0 |
990 for the year ended December 31, 2023: 26 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DIEGO PRECIADO | DIRECTOR Trustee or director | 0.25 | $0 |
| JIAN-DONG LI | DIRECTOR Trustee or director | 0.25 | $0 |
| KEVIN MASON | PRESIDENT-ELECT Trustee or director, Officer | 0.25 | $0 |
| JOSEPH KERSCHNER | DIRECTOR Trustee or director | 0.25 | $0 |
| MARGHERETHA CASSELBRANDT | DIRECTOR Trustee or director | 0.25 | $0 |
| GARTH EHLRICH | DIRECTOR Trustee or director | 0.25 | $0 |
| KEN KAZAHAYA | DIRECTOR Trustee or director | 0.25 | $0 |
| MUNEKI HOTOMI | DIRECTOR Trustee or director | 0.25 | $0 |
| ROXANNE LINK | DIRECTOR Trustee or director | 0.25 | $0 |
| CUNEYT ALPER | DIRECTOR Trustee or director | 0.25 | $0 |
| LAUREN BAKALETZ | DIRECTOR Trustee or director | 0.25 | $0 |
| ANN HERMANSSON | DIRECTOR Trustee or director | 0.25 | $0 |
| PREBEN HOMOE | DIRECTOR Trustee or director | 0.25 | $0 |
| PAUL LITTLE | DIRECTOR Trustee or director | 0.25 | $0 |
| ROBYN MARSH | DIRECTOR Trustee or director | 0.25 | $0 |
| PETER MORRIS | DIRECTOR Trustee or director | 0.25 | $0 |
| STEPHEN PELTON | DIRECTOR Trustee or director | 0.25 | $0 |
| ALLEN RYAN | PRESIDENT Trustee or director, Officer | 0.25 | $0 |
| JOHANNA NOKSO-KOIVISTO | DIRECTOR Trustee or director | 0.25 | $0 |
| TANIA SIH | DIRECTOR Trustee or director | 0.25 | $0 |
| RODERICK VENEKAMP | DIRECTOR Trustee or director | 0.25 | $0 |
| KEN BROCKMAN | SECRETARY Trustee or director, Officer | 0.25 | $0 |
| REGIE SANTOS CORTEZ | TREASURER Trustee or director, Officer | 0.25 | $0 |
| TAL MAROM | DIRECTOR Trustee or director | 0.25 | $0 |
| LYNNE LIM | DIRECTOR Trustee or director | 0.25 | $0 |
| RUTH THORNTON | DIRECTOR Trustee or director | 0.25 | $0 |
Address and contacts
- Address (IRS master file)
- 8701 W WATERTOWN PLANK RD, MILWAUKEE, WI 53226-3548
- In care of
- % JOSEPH E KERSCHNER
- Mailing address (990-N for 2012)
- 320 SCHENLEY ROAD, PITTSBURGH PA 152171173
- Principal officer (990 for 2025)
- KEVIN MASON, 8701 W WATERTOWN PLANK RD, MILWAUKEE, WI 53226
- Principal officer (990-N for 2012)
- MARGARETHA L CASSELBRANT, 320 SCHENLEY ROAD, PITTSBURGH PA 152171173
- Signed the 990
- KEVIN MASON, PRESIDENT
- Phone
- (414) 955-8213
- Website
- OTITISMEDIASOCIETY.ORG
- Return prepared by
- REILLY PENNER & BENTON LLP
Mission
THE SOCIETY SHALL BE OPERATED EXCLUSIVELY FOR CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES INCLUDING, BUT NOT LIMITED TO, PROVIDING AN INTERNATIONAL FORUM TO ADVACE THE FRONTIERS OF RESEARCH, EDUCATION, AND PATIENT CARE AS THEY RELATE TO OTITIS MEDIA.
Program accomplishments
- THE ORGANIZATION CONDUCTS A BIENNIAL INTERNATIONAL SYMPOSIUM ON OTITIS MEDIA PROVIDED AN INTERNATIONAL FORUM TO ADVANCE THE FRONTIERS OF RESEARCH, EDUCATION, AND PATIENT CARE AS THEY RELATE TO OTITIS MEDIA. THE SYMPOSIUM BRINGS TOGETHER INVESTIGATORS WHOSE RESEARCH AND CLINICAL INTERESTS ARE FOCUSED ON DISEASES OF THE MIDDLE EAR, INCLUDING OTOLARYNGOLOGISTS, PEDIATRICIANS, EPIDEMIOLOGISTS, PUBLIC HEALTH OFFICIALS, AND OTHER EXPERTS FROM ALL CONTINENTS INTERESTED IN RELIEVING THE BURDEN OF OTITIS MEDIA AND ITS SEQUELAE FROM PATIENTS AND FAMILIES. THE SYMPOSIUM ALLOWS FOR THE PRESENTATIONS OF NEW INFORMATION, THE STIMULATION OF NEW AND PRODUCTIVE RESEARCH, THE REVIEW OF CURRENT INVESTIGATIONS, AND CONSIDERATION TO THE MOST PRODUCTIVE AVENUE FOR FUTURE RESEARCH.Expenses $65,881 · grants $20,840 · revenue $50,142
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 46-1500334
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2013
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Medical research (H03)
- Assets (IRS master file)
- $282,360
- Income (IRS master file)
- $110,494
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $110,494 | $73,123 | $282,360 | XML |
| 990 | December 2024 | $7,275 | $4,015 | $244,989 | XML |
| 990 | December 2023 | $138,111 | $58,219 | $241,729 | XML |
| 990 | December 2022 | $8,170 | $12,187 | $161,837 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2018 | – | – | – | IRS |
| 990-N for 2012 Officer: MARGARETHA L CASSELBRANT | December 31, 2012 | ≤ $50,000 receipts | – | – | e-Postcard |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 46-1500334).
Questions about INTERNATIONAL SOCIETY FOR OTITIS MEDIA INC
- What is the EIN of INTERNATIONAL SOCIETY FOR OTITIS MEDIA INC?
- The employer identification number (EIN) of INTERNATIONAL SOCIETY FOR OTITIS MEDIA INC is 46-1500334.
- Is INTERNATIONAL SOCIETY FOR OTITIS MEDIA INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2013.
- Are donations to INTERNATIONAL SOCIETY FOR OTITIS MEDIA INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does INTERNATIONAL SOCIETY FOR OTITIS MEDIA INC file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of INTERNATIONAL SOCIETY FOR OTITIS MEDIA INC due?
- The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did INTERNATIONAL SOCIETY FOR OTITIS MEDIA INC last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who is the principal officer of INTERNATIONAL SOCIETY FOR OTITIS MEDIA INC?
- The 990 for the year ended December 31, 2025 names KEVIN MASON.
- Who are the officers and directors of INTERNATIONAL SOCIETY FOR OTITIS MEDIA INC?
- The 990 for the year ended December 31, 2025 lists 26 people; 0 received compensation from the organization.
- How much revenue does INTERNATIONAL SOCIETY FOR OTITIS MEDIA INC have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $110,494, expenses of $73,123 and total assets of $282,360 at year end.
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