Nonprofit · EIN 98-0405330
INTERNATIONAL SOCIETY FOR SEXUAL AND INPOTENCE RESEARCH
Tax-exempt · BURNSVILLE, MN 55306
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $1,847,335 | $1,496,046 | $351,289 | $6,832,729 | $250,575 | $6,582,154 |
| December 31, 2024 | 990 | $1,834,667 | $1,930,103 | -$95,436 | $6,412,141 | $372,122 | $6,040,019 |
| December 31, 2023 | 990 | $1,500,049 | $1,822,248 | -$322,199 | $6,256,862 | $599,700 | $5,657,162 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $275,175
- Program service revenue
- $696,759
- Investment income
- $617,517
- Royalties
- $257,884
- Net gain from sales of assets
- $436,460
- Other revenue
- $257,884
Expenses
- Grants and similar amounts paid
- $157,796
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Accounting fees
- $15,953
- Travel
- $85,500
- Program services (functional)
- $818,649
- Management and general (functional)
- $677,397
Balance sheet and other
- Total assets, start of year
- $6,412,141
- Total assets, end of year
- $6,832,729
- Total liabilities, end of year
- $250,575
- Net assets, end of year
- $6,582,154
- Publicly traded securities
- $6,633,929
- Net assets without donor restrictions
- $6,371,703
- Net assets with donor restrictions
- $210,451
- Gross receipts
- $4,272,721
- Employees
- 0
- Volunteers
- 17
- Year formed
- 1982
- State of legal domicile
- CA
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 |
|---|---|---|---|
| Run Wang | President Trustee or director, Officer | 10 | $0 |
| Gerald Brock | Past President Trustee or director, Officer | 10 | $0 |
| Eric Chung | President Elect Trustee or director, Officer | 10 | $0 |
| Arthur Burnett | Treasurer Trustee or director, Officer | 10 | $0 |
| John Mulhall | Secretary Trustee or director, Officer | 10 | $0 |
| Hui Jiang | Director Trustee or director | 2 | $0 |
| Tobias Kohler | Director Trustee or director | 2 | $0 |
| Linda Vignozzi | Director Trustee or director | 2 | $0 |
| Mohammad Shamsul Ahsan | Director Trustee or director | 2 | $0 |
| Alejandro Carvajal | Director Trustee or director | 2 | $0 |
| Mikkel Fode | Director Trustee or director | 2 | $0 |
| Abdel Rahman Zahran | Director Trustee or director | 2 | $0 |
| Omer Raheem | Director Trustee or director | 2 | $0 |
| Alan Shindel | Director Trustee or director | 2 | $0 |
| Yan Zhang | Director Trustee or director | 2 | $0 |
3 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Eduardo Miranda | Director Trustee or director | 2 | $0 |
| Cobi Reisman | Director Trustee or director | 2 | $0 |
| Merel Hartog | Executive Director Officer | 20 | $0 |
990 for the year ended December 31, 2024: 19 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Run Wang | President Trustee or director, Officer | 10 | $0 |
| Gerald Brock | Past President Trustee or director, Officer | 10 | $0 |
| Eric Chung | President Elect Trustee or director, Officer | 10 | $0 |
| Arthur Burnett | Treasurer Trustee or director, Officer | 10 | $0 |
| John Mulhall | Secretary Trustee or director, Officer | 10 | $0 |
| Du Geon Moon | Director Trustee or director | 2 | $0 |
| Tobias Kohler | Director Trustee or director | 2 | $0 |
| Linda Vignozzi | Director Trustee or director | 2 | $0 |
| Mohammad Shamsul Ahsan | Director Trustee or director | 2 | $0 |
| Fernando Facio | Director Trustee or director | 2 | $0 |
| Giovanni Corona | Director Trustee or director | 2 | $0 |
| Osama Shaeer | Director Trustee or director | 2 | $0 |
| Omer Raheem | Director Trustee or director | 2 | $0 |
| Alan Shindel | Director Trustee or director | 2 | $0 |
| Yan Zhang | Director Trustee or director | 2 | $0 |
| Eduardo Miranda | Director Trustee or director | 2 | $0 |
| Cobi Reisman | Director Trustee or director | 2 | $0 |
| Merel Hartog | Executive Director Officer | 10 | $0 |
| Frances van Klaveren | Association Manager Officer | 22 | $0 |
990 for the year ended December 31, 2023: 21 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Gerald Brock | President Trustee or director, Officer | 10 | $0 |
| Annamaria Giraldi | Past President Trustee or director, Officer | 10 | $0 |
| Run Wang | President Elect Trustee or director, Officer | 10 | $0 |
| Arthur Burnett | Treasurer Trustee or director, Officer | 10 | $0 |
| Kwangsung Park | Secretary Trustee or director, Officer | 10 | $0 |
| Du Geon Moon | Director Trustee or director | 2 | $0 |
| Mohit Khera | Director Trustee or director | 2 | $0 |
| Linda Vignozzi | Director Trustee or director | 2 | $0 |
| Mohammad Shamsul Ahsan | Director Trustee or director | 2 | $0 |
| Fernando Facio | Director Trustee or director | 2 | $0 |
| Giovanni Corona | Director Trustee or director | 2 | $0 |
| Osama Shaeer | Director Trustee or director | 2 | $0 |
| Sandrine Atallah | Director Trustee or director | 2 | $0 |
| Yutian Dai | Director Trustee or director | 2 | $0 |
| Eduardo Miranda | Director Trustee or director | 2 | $0 |
| Cobi Reisman | Director Trustee or director | 2 | $0 |
| Eric Chung | Director Trustee or director | 2 | $0 |
| Noel Kim | Ex Officio Trustee or director | 2 | $0 |
| Hui Jiang | Ex Officio Trustee or director | 2 | $0 |
| David Casalod | Executive Director Officer | 10 | $0 |
| Merel Hartog | Association Manager Officer | 22 | $0 |
Address and contacts
- Address (IRS master file)
- 14305 SOUTHCROSS DR W STE 100, BURNSVILLE, MN 55306-7006
- Principal officer (990 for 2025)
- Merel Hartog, 14305 Southcross Dr 100, Burnsville, MN 55306
- Signed the 990
- Merel Hartog, Executive Director
- Phone
- (910) 545-4205
- Website
- www.issm.info
- Return prepared by
- Abdo LLP
Mission
To be the most respected and trusted source of information, education and professional development on human sexual health through the delivery of world-class publications, research findings, online and in person opportunities for knowledge exchange, world-wide.
Program accomplishments
- ISSM owns and publishes four peer-reviewed journals: The Journal of Sexual Medicine (JSM), Sexual Medicine (SM), Sexual Medicine Reviews (SMR), and the Video Journal of Sexual Medicine (VJSM). These journals disseminate clinical and scientific research on sexual health, providing essential education for healthcare professionals. ISSM members receive online access, and discounts are available for open-access publications. Additionally, ISSM produces online news bulletins, conducts surveys, and shares research updates to support clinicians and researchers worldwide.Expenses $369,387 · grants $750 · revenue $876,563
- ISSM organizes the World Meeting on Sexual Medicine, a premier international conference where the latest research findings and practical developments in sexual medicine are presented. The meeting serves as a global forum for scientific exchange, professional education, and networking among experts in the field. As part of this initiative, ISSM also recognizes outstanding contributions to sexual medicine through various scientific awards and prizes.Expenses $63,461 · revenue $78,080
- ISSM undertakes various strategic initiatives to advance knowledge and leadership in sexual medicine:International Consultation on Sexual Medicine (ICSM): ISSM organizes the ICSM approximately every 5-7 years to develop authoritative guidelines and position papers in the field. In 2024, the ICSM was held in Madrid, with experts convening to review evidence and establish best practices. The resulting guidelines and position papers will be published in Sexual Medicine Reviews to support clinicians and researchers worldwide. Costs associated with the ICSM include venue expenses, travel support, organization, and social events.Collaboration with Movember: ISSM partners with Movember in a multi-year initiative to improve sexual health care for prostate cancer patients. This collaboration is designed to translate the Guidelines for Sexual Health Care for Prostate Cancer Patients into clinical practice, equipping healthcare professionals with the knowledge and tools to address the impact of prostate cancer treatments on sexual function. Through education, training, and awareness efforts, the project aims to enhance communication between clinicians and patients, fostering open discussions and setting realistic expectations for post-treatment sexual and emotional well-being.Future Leaders Program: Launched in 2024, the ISSM Future Leaders Program is dedicated to cultivating the next generation of leaders in sexual medicine. This initiative provides early-career professionals with leadership training, mentorship, and professional development opportunities. By fostering emerging talent, ISSM ensures the continued evolution and sustainability of the society, equipping future leaders with the skills and vision to advance the field of sexual medicine.Society Initiatives: ISSM allocates funding to a range of society-driven initiatives that support its mission and global activities. These include projects that have approved grants from the Zorgniotti Fund, projects and activities funded through the Global Outreach Grants, and scholarships for the ESSM School of Sexual Medicine in collaboration with ESSM. Expenditures primarily relate to award funding, educational and outreach activities (in underserved regions), and financial support for trainees and early-career professionals to participate in ISSM programs and meetings. All activities are reviewed and approved in line with ISSM governance processes, and funds are monitored to ensure they are used for their intended program purposes.Expenses $385,801 · grants $157,046
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
- 98-0405330
- 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
- 2006
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Health care (E054)
- Assets (IRS master file)
- $6,832,729
- Income (IRS master file)
- $4,272,721
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $1,847,335 | $1,496,046 | $6,832,729 | XML |
| 990 | December 2024 | $1,834,667 | $1,930,103 | $6,412,141 | XML |
| 990 | December 2023 | $1,500,049 | $1,822,248 | $6,256,862 | XML |
| 990 | December 2022 | $1,755,163 | $1,701,484 | $5,614,314 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2018 | – | – | – | IRS |
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 98-0405330).
Questions about INTERNATIONAL SOCIETY FOR SEXUAL AND INPOTENCE RESEARCH
- What is the EIN of INTERNATIONAL SOCIETY FOR SEXUAL AND INPOTENCE RESEARCH?
- The employer identification number (EIN) of INTERNATIONAL SOCIETY FOR SEXUAL AND INPOTENCE RESEARCH is 98-0405330.
- Is INTERNATIONAL SOCIETY FOR SEXUAL AND INPOTENCE RESEARCH tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2006.
- Are donations to INTERNATIONAL SOCIETY FOR SEXUAL AND INPOTENCE RESEARCH tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does INTERNATIONAL SOCIETY FOR SEXUAL AND INPOTENCE RESEARCH 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 SEXUAL AND INPOTENCE RESEARCH 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 SEXUAL AND INPOTENCE RESEARCH 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 SEXUAL AND INPOTENCE RESEARCH?
- The 990 for the year ended December 31, 2025 names Merel Hartog.
- Who are the officers and directors of INTERNATIONAL SOCIETY FOR SEXUAL AND INPOTENCE RESEARCH?
- The 990 for the year ended December 31, 2025 lists 18 people; 0 received compensation from the organization.
- How much revenue does INTERNATIONAL SOCIETY FOR SEXUAL AND INPOTENCE RESEARCH have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $1,847,335, expenses of $1,496,046 and total assets of $6,832,729 at year end.
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