Nonprofit · EIN 23-7179512
AMERICAN SOCIETY FOR PHOTOBIOLOGY
Tax-exempt · HERNDON, VA 20170
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| August 31, 2025 | 990 | $217,850 | $231,850 | -$14,000 | $1,409,668 | $49,148 | $1,360,520 |
| August 31, 2024 | 990 | $267,445 | $333,179 | -$65,734 | $1,397,908 | $111,026 | $1,286,882 |
| August 31, 2023 | 990 | $250,962 | $278,290 | -$27,328 | $1,275,267 | $48,652 | $1,226,615 |
Financial details: 990 for the year ended August 31, 2025
Revenue
- Contributions, gifts and grants
- $13,598
- Membership dues
- $13,098
- Program service revenue
- $169,817
- Investment income
- $34,435
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Program services (functional)
- $87,179
- Management and general (functional)
- $144,672
Balance sheet and other
- Total assets, start of year
- $1,397,908
- Total assets, end of year
- $1,409,668
- Total liabilities, end of year
- $49,148
- Net assets, end of year
- $1,360,520
- Publicly traded securities
- $1,278,222
- Net assets without donor restrictions
- $1,091,762
- Gross receipts
- $217,850
- Employees
- 0
- Year formed
- 1972
- State of legal domicile
- VA
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 August 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Sherri McFarland | President Trustee or director, Officer | 1 | – |
| Shiyong Wu | Past-President Trustee or director, Officer | 1 | $0 |
| Ryan McCulla | President-Elect Trustee or director, Officer | 1 | $0 |
| Masaoki Kawasumi | Secretary Trustee or director, Officer | 1 | $0 |
| Theresa Busch | Treasurer Trustee or director, Officer | 1 | $0 |
| Alexander Greer | Editor-in-Chief Trustee or director, Officer | 1 | $0 |
| Jean Luc Ayitou | Director | 1 | $0 |
| Andrs Durantini | Director | 1 | $0 |
| Edith Phoebe Glazer | Director | 1 | $0 |
| Dae Joon Kim | Director | 1 | $0 |
| Jonathan Lovell | Director | 1 | $0 |
| Girgis Obaid | Director | 1 | $0 |
| Jos Robinson-Duggon | Director | 1 | $0 |
| Gal Shafirstein | Director | 1 | $0 |
| Wenfang Sun | Director | 1 | $0 |
9 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Andres Thomas | Director | 1 | $0 |
| Xiaojing Yang | Director | 1 | $0 |
| Youngjae You | Director | 1 | $0 |
| Zeinab Fayyaz | Director | 1 | $0 |
| Gurleen Kaur | Director | 1 | $0 |
| Gurleen Kaur | Director | 1 | $0 |
| Sumiao Pang | Director | 1 | $0 |
| Waruna Thotamune Kankanamalage | Director | 1 | $0 |
| Robert E Clayton CPA | CFO | 1 | $0 |
990 for the year ended August 31, 2024: 25 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Sherri McFarland | President Trustee or director, Officer | 1 | $0 |
| Shiyoung Wu | Past President Trustee or director, Officer | 1 | $0 |
| Ryan McCulla | President-Elect Trustee or director, Officer | 1 | $0 |
| Masaoki Kawasumi | Secretary Trustee or director, Officer | 1 | $0 |
| Theresa Busch | Treasurer Trustee or director, Officer | 1 | $0 |
| Alexander Greer | Editor-in-Chief Trustee or director | 1 | $0 |
| Jill Bressler | Managing Secretariat Trustee or director, Officer | 1 | $0 |
| Brett Burk | Executive Secretariat Trustee or director, Officer | 1 | $0 |
| Jean LucAyitou | Councilor Trustee or director | 1 | $0 |
| AndrsDurantini | Councilor Trustee or director | 1 | $0 |
| Edith Phoebe Glazer | Councilor Trustee or director | 1 | $0 |
| Dae Joon Kim | Councilor Trustee or director | 1 | $0 |
| Jonathan Lovell | Councilor Trustee or director | 1 | $0 |
| Girgis Obaid | Councilor Trustee or director | 1 | $0 |
| Jose Robinson-Duggon | Councilor Trustee or director | 1 | $0 |
| Gal Shafirstein | Councilor Trustee or director | 1 | $0 |
| Wenfang Sun | Councilor Trustee or director | 1 | $0 |
| Andres Thomas | Councilor Trustee or director | 1 | $0 |
| Xiaojing Yang | Councilor Trustee or director | 1 | $0 |
| Youngjae You | Councilor Trustee or director | 1 | $0 |
| Zeinab Fayyaz | Associate Councilor Trustee or director | 1 | $0 |
| Akshaya Iyer | Associate Councilor Trustee or director | 1 | $0 |
| Gurleen Kaur | Associate Councilor Trustee or director | 1 | $0 |
| Sumiao Pang | Associate Councilor Trustee or director | 1 | $0 |
| Waruna Thotamune Kankanamalage | Associate Councilor Trustee or director | 1 | $0 |
990 for the year ended August 31, 2023: 20 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Shiyong Wu | President Trustee or director, Officer | 1 | $0 |
| Alexander Greer | Past President Trustee or director, Officer | 1 | $0 |
| Sherri McFarland | President-Elect Trustee or director, Officer | 1 | $0 |
| Ryan McCulla | Secretary Trustee or director, Officer | 1 | $0 |
| Theresa Busch | Treasurer Trustee or director, Officer | 1 | $0 |
| Jill Drupa | Managing Secretariat Trustee or director, Officer | 1 | $0 |
| Brett Burk | Executive Secretariat Trustee or director, Officer | 1 | $0 |
| Dae Joon Kim | Councilor Trustee or director | 1 | $0 |
| Mauricio Baptista | Councilor Trustee or director | 1 | $0 |
| Masaoki Kawasumi | Councilor Trustee or director | 1 | $0 |
| Huang Chiao Huang | Councilor Trustee or director | 1 | $0 |
| Youngjae You | Councilor Trustee or director | 1 | $0 |
| Jonathan Lovell | Councilor Trustee or director | 1 | $0 |
| Xiaojing Yang | Councilor Trustee or director | 1 | $0 |
| Jose Robinson-Duggon | Councilor Trustee or director | 1 | $0 |
| Andrs Thomas | Councilor Trustee or director | 1 | $0 |
| Girgis Obaid | Councilor Trustee or director, Key employee | 1 | $0 |
| Veronica Bahamondes Lorca | Associate Councilor Trustee or director | 1 | $0 |
| Gurleen Kaur | Associate Councilor Trustee or director | 1 | $0 |
| Britney Singh | Associate Councilor Trustee or director | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 950 HERNDON PARKWAY, HERNDON, VA 20170-5531
- Principal officer (990 for 2024)
- Rob Clayton, 111 Harold Court, Winchester, VA 22602
- Signed the 990
- Robert E Clayton, Treasurer
- Phone
- (540) 635-4848
- Website
- www.photobiology.org
- Return prepared by
- Robert E Clayton CPA PC
Mission
To promote research in photobiology, to facilitate the integration of different disciplines in the study of photobiology, to promote the dissemination of knowledge of photobiology, and to provide information on the photobiological aspects of national and international aspects of national and international problems.
Program accomplishments
- To promote research in photobiology, to facilitate the integration of different disciplines in the study of photobiology, to promote the dissemination of knowledge of photobiology, and to provide information on the photobiological aspects of national and intrenational problems.revenue $13,098
- Expenses $65,301 · revenue $168,010
- Expenses $22,037 · revenue $1,800
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 August, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | August 31, 2026 | January 15, 2027 | Not due yet |
| 2024 | August 31, 2025 | January 15, 2026 | 990 on file |
| 2023 | August 31, 2024 | January 15, 2025 | 990 on file |
IRS record
- EIN
- 23-7179512
- 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
- 1972
- Accounting year ends
- August
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $1,409,668
- Income (IRS master file)
- $217,850
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | August 2025 | $217,850 | $231,850 | $1,409,668 | XML |
| 990 | August 2024 | $267,445 | $333,179 | $1,397,908 | XML |
| 990 | August 2023 | $250,962 | $278,290 | $1,275,267 | XML |
| 990 | August 2022 | $147,237 | $145,128 | $1,281,487 | IRS |
| 990 | August 2021 | – | – | – | IRS |
| 990 | August 2020 | – | – | – | IRS |
| 990 | August 2019 | – | – | – | IRS |
| 990 | August 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 23-7179512).
Questions about AMERICAN SOCIETY FOR PHOTOBIOLOGY
- What is the EIN of AMERICAN SOCIETY FOR PHOTOBIOLOGY?
- The employer identification number (EIN) of AMERICAN SOCIETY FOR PHOTOBIOLOGY is 23-7179512.
- Is AMERICAN SOCIETY FOR PHOTOBIOLOGY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1972.
- Are donations to AMERICAN SOCIETY FOR PHOTOBIOLOGY tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does AMERICAN SOCIETY FOR PHOTOBIOLOGY 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 AMERICAN SOCIETY FOR PHOTOBIOLOGY due?
- The return for tax year 2025 (the year ending August 31, 2026) is due January 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did AMERICAN SOCIETY FOR PHOTOBIOLOGY last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended August 2025.
- Who is the principal officer of AMERICAN SOCIETY FOR PHOTOBIOLOGY?
- The 990 for the year ended August 31, 2025 names Rob Clayton.
- Who are the officers and directors of AMERICAN SOCIETY FOR PHOTOBIOLOGY?
- The 990 for the year ended August 31, 2025 lists 24 people; 0 received compensation from the organization.
- How much revenue does AMERICAN SOCIETY FOR PHOTOBIOLOGY have?
- On its 990 for the year ended August 31, 2025 it reported revenue of $217,850, expenses of $231,850 and total assets of $1,409,668 at year end.
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