Nonprofit · EIN 23-2099003
INTERNATIONAL ATHEROSCLEROSIS SOCIETY
Tax-exempt · WASHINGTON, DC 20006
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2024 | 990 | $569,686 | $704,259 | -$134,573 | $692,075 | $151,191 | $540,884 |
| December 31, 2023 | 990 | $691,360 | $696,866 | -$5,506 | $700,577 | $60,238 | $640,339 |
Financial details: 990 for the year ended December 31, 2024
Revenue
- Contributions, gifts and grants
- $553,857
- Membership dues
- $49,562
- Program service revenue
- $0
- Investment income
- $15,829
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $18,385
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Legal fees
- $153
- Accounting fees
- $2,624
- Travel
- $86,570
- Program services (functional)
- $406,207
- Management and general (functional)
- $256,817
- Fundraising (functional)
- $41,235
Balance sheet and other
- Total assets, start of year
- $700,577
- Total assets, end of year
- $692,075
- Total liabilities, end of year
- $151,191
- Net assets, end of year
- $540,884
- Net assets without donor restrictions
- $540,884
- Gross receipts
- $569,686
- Employees
- 0
- Volunteers
- 100
- Year formed
- 1980
- State of legal domicile
- NY
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, 2024, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| PETER LIBBY | PRESIDENT Trustee or director, Officer | 4 | $8,000 |
| KHALID AL-RASADI | SECRETARY Trustee or director, Officer | 1 | $0 |
| SAMIA MORA | TREASURER Trustee or director, Officer | 1 | $0 |
| DIRK BLOM | PRESIDENT ELECT Trustee or director, Officer | 3 | $0 |
| RAUL SANTOS | IMMEDIATE PAST PRESIDENT Trustee or director, Officer | 3 | $0 |
| MICHELLE M D WINOKUR | EXECUTIVE DIRECTOR Trustee or director, Officer | 40 | $0 |
990 for the year ended December 31, 2023: 21 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| PETER LIBBY | PRESIDENT Trustee or director, Officer | 4 | $0 |
| RAUL D SANTOS | PAST PRESIDENT Trustee or director | 3 | $0 |
| RODRIGO ALONSO KARLEZI | FEDERATION CHAIR AMERICAS Trustee or director | 0.5 | $0 |
| SHIZUYA YAMASHITA | MEMBER AT LARGE ASIA PACIF Trustee or director | 0.25 | $0 |
| KHALID AL-RASADI | SECRETARY Trustee or director, Officer | 1 | $0 |
| FREDERICK RAAL | MEMBER AT LARGE MENA REGIO Trustee or director | 0.25 | $0 |
| MICHAL VRABLIK | FEDERATION CHAIR EUROPE Trustee or director | 0.5 | $0 |
| ALBERTO LORENZATTI | MEMBER AT LARGE AMERICAS Trustee or director | 0.25 | $0 |
| BRIAN TOMLINSON | FEDERATION CHAIR ASIA PACI Trustee or director | 0.5 | $0 |
| KHALID AL-WAILI | FEDERATION CHAIR MENA REGI Trustee or director | 0.5 | $0 |
| ADA CUEVAS | SENIOR ADVISORS TO THE BOA Trustee or director | 0.25 | $0 |
| M JOHN CHAPMAN | MEMBER AT LARGE EUROPE Trustee or director | 0.25 | $0 |
| DONG ZHAO | MEMBER AT LARGE ASIA PACIF Trustee or director | 0.25 | $0 |
| GILLES LAMBERT | SENIOR ADVISORS TO THE BOA Trustee or director | 0.25 | $0 |
| KHURRAM NASIR | SENIOR ADVISORS TO THE BOA Trustee or director | 0.25 | $0 |
| SAMIA MORA | TREASURER Trustee or director, Officer | 1 | $0 |
| MARLYS L KOSCHINSKY | MEMBER AT LARGE AMERICAS Trustee or director | 0.25 | $0 |
| CHRISTINA BURSILL | MEMBER AT LARGE ASIA PACIF Trustee or director | 0.25 | $0 |
| FAHAD ALNOURI | MEMBER AT LARGE MENA REGIO Trustee or director | 0.25 | $0 |
| IOANNA GOUNI-BERTHOLD | MEMBER AT LARGE EUROPE Trustee or director | 0.25 | $0 |
| DIRK BLOM | PRESIDENT ELECT Trustee or director, Officer | 3 | $0 |
Address and contacts
- Address (IRS master file)
- 2020 K ST NW STE 505, WASHINGTON, DC 20006-1901
- Principal officer (990 for 2024)
- MICHELLE WINOKUR, 2020 K STREET NW STE 505, WASHINGTON, DC 20006
- Signed the 990
- MICHELLE WINOKUR, EXECUTIVE DIRECTOR
- Phone
- (563) 210-3028
- Website
- WWW.ATHERO.ORG
- Return prepared by
- CLIFTONLARSONALLEN LLP
Mission
TO PROMOTE, AT AN INTERNATIONAL LEVEL, THE ADVANCEMENT OF SCIENCE AND TEACHING RELATED TO THE FIELD OF ATHEROSCLEROSIS.
Program accomplishments
- DEVELOPMENT AND IMPLEMENTATION OF EDUCATIONAL PROGRAMS FOR RESEARCHERS AND CLINICIANS MADE AVAILABLE AND DELIVERED THROUGH MEETINGS BOTH LIVE AND ONLINE (E.G.: CONGRESSES, MASTERCLASSES, WEBINARS), NEWSLETTERS, EBLASTS, PUBLICATIONS, WEBSITES, DIRECT CORRESPONDENCE WITH THE MEMBER SOCIETIES, AND COORDINATION OF EXPERT PANELS AT INTERNATIONAL LEVEL.Expenses $387,822
- FELLOWSHIP PROGRAM FOR VISITING SCIENTISTS UP TO 40 YEARS MADE AVAILABLE THROUGH INTERNATIONAL MEETINGS, NEWSLETTERS, AD-HOC EBLASTS, PUBLICATIONS, WEBSITES AND DIRECT CORRESPONDENCE WITH THE MEMBER SOCIETIES. PROCESSING OF FELLOWSHIP APPLICATIONS THROUGH AD-HOC SELECTING COMMITTEES, NOTIFICATION OF THE WINNERS, AWARDING OF GRANTS, COLLECTING FINAL RESEARCH RESULTS.Expenses $18,385 · grants $18,385
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 | Not 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
- 23-2099003
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1980
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Voluntary health associations and medical disciplines (G43Z)
- Assets (IRS master file)
- $692,075
- Income (IRS master file)
- $569,686
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2024 | $569,686 | $704,259 | $692,075 | IRS |
| 990 | December 2023 | $691,360 | $696,866 | $700,577 | XML |
| 990 | December 2022 | $780,661 | $619,020 | $684,790 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2018 | – | – | – | IRS |
| 990 | December 2017 | – | – | – | 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 23-2099003).
Questions about INTERNATIONAL ATHEROSCLEROSIS SOCIETY
- What is the EIN of INTERNATIONAL ATHEROSCLEROSIS SOCIETY?
- The employer identification number (EIN) of INTERNATIONAL ATHEROSCLEROSIS SOCIETY is 23-2099003.
- Is INTERNATIONAL ATHEROSCLEROSIS SOCIETY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1980.
- Are donations to INTERNATIONAL ATHEROSCLEROSIS SOCIETY tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does INTERNATIONAL ATHEROSCLEROSIS SOCIETY 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 ATHEROSCLEROSIS SOCIETY due?
- The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did INTERNATIONAL ATHEROSCLEROSIS SOCIETY last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2024.
- Who is the principal officer of INTERNATIONAL ATHEROSCLEROSIS SOCIETY?
- The 990 for the year ended December 31, 2024 names MICHELLE WINOKUR.
- Who are the officers and directors of INTERNATIONAL ATHEROSCLEROSIS SOCIETY?
- The 990 for the year ended December 31, 2024 lists 6 people; 1 received compensation from the organization, the highest $8,000 (PETER LIBBY, PRESIDENT).
- How much revenue does INTERNATIONAL ATHEROSCLEROSIS SOCIETY have?
- On its 990 for the year ended December 31, 2024 it reported revenue of $569,686, expenses of $704,259 and total assets of $692,075 at year end.
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