Nonprofit · EIN 52-1742631
INTERNATIONAL SOCIETY FOR ECOLOGICAL ECONOMICS
Tax-exempt · TRAVELERS RST, SC 29690
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-EZ | $108,533 | $94,069 | $14,464 | $155,150 | $30,227 | $124,923 |
| December 31, 2024 | 990 | $97,337 | $92,324 | $5,013 | $126,881 | $16,422 | $110,459 |
| December 31, 2023 | 990 | $202,049 | $156,544 | $45,505 | $129,690 | $24,244 | $105,446 |
Financial details: 990-EZ for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $25,398
- Program service revenue
- $11,983
- Investment income
- $71,152
Expenses
- Compensation of officers, directors and key employees
- $47,259
- Salaries, compensation and benefits (total)
- $48,936
- Professional fees and payments to contractors
- $8,788
- Printing, publications and postage
- $130
- Other expenses
- $36,215
- Program services (functional)
- $67,483
Balance sheet and other
- Total assets, start of year
- $126,881
- Total assets, end of year
- $155,150
- Total liabilities, end of year
- $30,227
- Net assets, end of year
- $124,923
- Cash, savings and investments
- $154,650
- Gross receipts
- $108,533
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-EZ for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| LISA OLINDA | EXECUTIVE DI | 3 | $47,259 |
| ESZTER KELEMEN | PRESIDENT | 4 | $0 |
| ANITRA NELSON | PRESIDENT - | 3 | $0 |
| ERIK GOMEZ-BAGGETHUN | PAST PRESIDE | 3 | $0 |
| AZAHARA MESA-JURADO | DIRECTOR | 3 | $0 |
| BEATRIZ SAES | DIRECTOR | 3 | $0 |
| CEM ISKENDER AYDIN | DIRECTOR | 3 | $0 |
| ERNEST AIGNER | DIRECTOR | 3 | $0 |
| MARCO VIANNA FRANCO | DIRECTOR | 3 | $0 |
| MARY EYENIYEH NGAIWI | DIRECTOR | 3 | $0 |
| TIZIANO DISTEFANO | DIRECTOR | 3 | $0 |
| XI JI | DIRECTOR | 3 | $0 |
| VANDANA | DIRECTOR | 3 | $0 |
| ZAFARANI UWINGABIRE | DIRECTOR | 3 | $0 |
| ALEJANDRA CANO | STUDENT REP | 2 | $0 |
2 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| LIZA MAKOMBORE | STUDENT REP | 2 | $0 |
| ELIZABETH VEIVAG HELSETH | TREASURER | 4 | $0 |
990 for the year ended December 31, 2024: 16 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| LOUISON CAHEN-FOUROT | TRUSTEE Trustee or director | 0.5 | $0 |
| ELISABETH CANO | STUDENT REP Trustee or director | 0.5 | $0 |
| LINA BRAND CORREA | TRUSTEE Trustee or director | 0.5 | $0 |
| TIZIANO DISTEFANO | TRUSTEE Trustee or director | 0.5 | $0 |
| XI JI | TRUSTEE Trustee or director | 0.5 | $0 |
| LIZA MAKOMBORE | STUDENT REP Trustee or director | 0.5 | $0 |
| TERESA MEIRA | TRUSTEE Trustee or director | 0.5 | $0 |
| M AZAHARA MESA-JURADO | TRUSTEE Trustee or director | 0.5 | $0 |
| PAULA NOVO | TRUSTEE Trustee or director | 0.5 | $0 |
| SOPHIA SANNITI | TRUSTEE Trustee or director | 0.5 | $0 |
| ZAFARANI UWINGABIRE | TRUSTEE Trustee or director | 0.5 | $0 |
| CHRISTINE CORLET WALKER | TRUSTEE Trustee or director | 0.5 | $0 |
| ANNE AITKEN | EXECUTIVE DI Officer | 0.5 | $0 |
| ERIK GOMEZ-BAGGETHUN | PRESIDENT Officer | 1 | $0 |
| ESZTER KELEMEN | PRESIDENT-EL Officer | 1 | $0 |
| RONALD MURADIAN | PAST PRESIDE Officer | 0.5 | $0 |
990 for the year ended December 31, 2023: 16 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| PAOLA ARIAS | TRUSTEE Trustee or director | 1 | $0 |
| LOUISON CAHEN-FOUROT | TRUSTEE Trustee or director | 1 | $0 |
| GABRIEL CASTRO | STUDENT REP Trustee or director | 1 | $0 |
| LINA BRAND CORREA | TRUSTEE Trustee or director | 1 | $0 |
| XI JI | TRUSTEE Trustee or director | 1 | $0 |
| AZAHAR MESA JURADO | TRUSTEE Trustee or director | 1 | $0 |
| LIZA MAKOMBORE | STUDENT REP Trustee or director | 1 | $0 |
| PAULA NOVO | TRUSTEE Trustee or director | 1 | $0 |
| BROTOTI ROY | TRUSTEE Trustee or director | 1 | $0 |
| SOPHIA SANNITI | TRUSTEE Trustee or director | 1 | $0 |
| ZAFARINI UWINGABIRE | TRUSTEE Trustee or director | 1 | $0 |
| CHRISTINE CORLET WALKER | TRUSTEE Trustee or director | 1 | $0 |
| ANNE AITKEN | SECRETARY Officer | 25 | $0 |
| DR JOSHUA FARLEY | PAST PRESIDE Officer | 1 | $0 |
| ERIK GOMEZ-BAGGETHUM | PRESIDENT EL Officer | 2 | $0 |
| ROLDAN MURADIAN | PRESIDENT Officer | 6 | $0 |
Address and contacts
- Address (IRS master file)
- 2 BENTON RD STE G, TRAVELERS RST, SC 29690-2170
- Signed the 990-EZ
- LISA OLINDA, EXECUTIVE DIRECTOR
- Phone
- (864) 356-9471
- Website
- WWW.ISECOECO.ORG
- Return prepared by
- HERITAGE ACCOUNTING & TAX SERVICES
Mission
PROVIDE INFORMATION THROUGH MEMBERSHIP JOURNAL AND NEWSLETTERS ON ECOLOGY AND ECONOMICS. ENCOURAGE EXCHANGE OF IDEAS IN THIS FIELD THROUGH BIENNIAL CONFERENCES.
Program accomplishments
- PROVIDE INFORMATION THROUGH MEMBERSHIP JOURNAL AND NEWSLETTERS ON ECOLOGY AND ECONOMICS. ENCOURAGE EXCHANGE OF IDEAS IN THIS FIELD THROUGH BIENNIAL CONFERENCES.Expenses $66,919
- SUPPORT EDUCATIONAL ACTIVITIES THAT STRENGTHEN TRAINING AND COLLABORATION IN ECOLOGICAL ECONOMICS.Expenses $564
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-EZ 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
- 52-1742631
- 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
- 1991
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Human services (P20Z)
- Assets (IRS master file)
- $155,150
- Income (IRS master file)
- $108,533
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2025 | $108,533 | $94,069 | $155,150 | XML |
| 990 | December 2024 | $97,337 | $92,324 | $126,881 | XML |
| 990 | December 2023 | $202,049 | $156,544 | $129,690 | XML |
| 990-EZ | December 2022 | – | – | – | IRS |
| 990-EZ | December 2021 | – | – | – | IRS |
| 990-EZ | December 2020 | – | – | – | IRS |
| 990-EZ | December 2019 | – | – | – | IRS |
| 990-EZ | 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 52-1742631).
Questions about INTERNATIONAL SOCIETY FOR ECOLOGICAL ECONOMICS
- What is the EIN of INTERNATIONAL SOCIETY FOR ECOLOGICAL ECONOMICS?
- The employer identification number (EIN) of INTERNATIONAL SOCIETY FOR ECOLOGICAL ECONOMICS is 52-1742631.
- Is INTERNATIONAL SOCIETY FOR ECOLOGICAL ECONOMICS tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1991.
- Are donations to INTERNATIONAL SOCIETY FOR ECOLOGICAL ECONOMICS tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does INTERNATIONAL SOCIETY FOR ECOLOGICAL ECONOMICS 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 ECOLOGICAL ECONOMICS 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 ECOLOGICAL ECONOMICS last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
- Who are the officers and directors of INTERNATIONAL SOCIETY FOR ECOLOGICAL ECONOMICS?
- The 990-EZ for the year ended December 31, 2025 lists 17 people; 1 received compensation from the organization, the highest $47,259 (LISA OLINDA, EXECUTIVE DI).
- How much revenue does INTERNATIONAL SOCIETY FOR ECOLOGICAL ECONOMICS have?
- On its 990-EZ for the year ended December 31, 2025 it reported revenue of $108,533, expenses of $94,069 and total assets of $155,150 at year end.
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