Nonprofit · EIN 81-0616238
INSTITUTE FOR GOVERNANCE AND SUSTAINABLE DEVELOPMENT INC
Tax-exempt · WASHINGTON, DC 20016
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $13,022,902 | $9,294,625 | $3,728,277 | $15,668,160 | $1,160,734 | $14,507,426 |
| June 30, 2024 | 990 | $12,184,827 | $8,476,631 | $3,708,196 | $12,013,948 | $1,234,799 | $10,779,149 |
| June 30, 2023 | 990 | $12,604,816 | $8,098,302 | $4,506,514 | $8,189,235 | $1,118,282 | $7,070,953 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $12,842,415
- Program service revenue
- $0
- Investment income
- $180,487
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $609,735
- Compensation of officers, directors and key employees
- $560,590
- Other salaries and wages
- $2,287,475
- Salaries, compensation and benefits (total)
- $3,543,169
- Professional fundraising fees
- $0
- Legal fees
- $8,122
- Accounting fees
- $44,800
- Travel
- $870,900
- Program services (functional)
- $9,210,922
- Management and general (functional)
- $83,703
Balance sheet and other
- Total assets, start of year
- $12,013,948
- Total assets, end of year
- $15,668,160
- Total liabilities, end of year
- $1,160,734
- Net assets, end of year
- $14,507,426
- Net assets without donor restrictions
- $4,893,818
- Net assets with donor restrictions
- $9,613,608
- Gross receipts
- $13,022,902
- Employees
- 22
- Volunteers
- 6
- Year formed
- 2003
- State of legal domicile
- DC
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 June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| DURWOOD ZAELKE | PRESIDENT Trustee or director, Officer | 40 | $300,000 | $30,241 |
| ROMINA PICOLOTTI | SENIOR POLICY ADVISOR Highest-paid employee | 40 | $280,333 | $43,253 |
| RICHARD FERRIS | SENIOR COUNSEL Highest-paid employee | 40 | $241,667 | $27,324 |
| GABRIELLE DREYFUS | SENIOR SCIENTIST Highest-paid employee | 40 | $206,667 | $45,216 |
| ZERIN OSHO | DIRECTOR INDIA PROGRAM Highest-paid employee | 40 | $201,667 | $25,324 |
| MELINDA SOFFER | DIRECTOR FINANCE & ADMINISTRATION Officer | 40 | $176,667 | $43,716 |
| XIAOPU SUN | SENIOR CHINA COUNSEL Highest-paid employee | 40 | $204,667 | $10,233 |
| ORAN YOUNG | CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| VANCE HUGHES | VICE CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| RACHEL BIDERMAN | SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| DONALD KANIARU | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| SALLY SHELTON-COLBY | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| LEWIS GORDON | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
990 for the year ended June 30, 2024: 13 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| ROMINA PICOLOTTI | SENIOR POLICY ADVISOR Highest-paid employee | 40 | $310,000 | $43,720 |
| DURWOOD ZAELKE | PRESIDENT Trustee or director, Officer | 40 | $275,000 | $29,178 |
| RICHARD FERRIS | SENIOR COUNSEL Highest-paid employee | 40 | $238,250 | $27,340 |
| GABRIELLE DREYFUS | SENIOR SCIENTIST Highest-paid employee | 40 | $192,500 | $44,967 |
| MELINDA SOFFER | DIRECTOR FINANCE & ADMINISTRATION Officer | 40 | $167,500 | $43,717 |
| ZERIN OSHO | DIRECTOR INDIA PROGRAM Highest-paid employee | 40 | $184,133 | $24,635 |
| XIAOPU SUN | SENIOR CHINA COUNSEL Highest-paid employee | 40 | $171,000 | $23,978 |
| ORAN YOUNG | CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| VANCE HUGHES | VICE CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| RACHEL BIDERMAN | SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| DONALD KANIARU | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| SALLY SHELTON-COLBY | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| LEWIS GORDON | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
990 for the year ended June 30, 2023: 13 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| DURWOOD ZAELKE | PRESIDENT Trustee or director, Officer | 40 | $250,000 | $29,107 |
| RICHARD FERRIS | SENIOR COUNCIL Highest-paid employee | 40 | $236,500 | $28,432 |
| ROMINA PICOLOTTI | SENIOR POLICY ADVISOR Highest-paid employee | 40 | $210,000 | $46,946 |
| GABRIELLE DREYFUS | SENIOR SCIENTIST Highest-paid employee | 40 | $178,333 | $46,994 |
| MELINDA SOFFER | DIRECTOR FINANCE & ADMIN Officer | 40 | $160,000 | $46,077 |
| KRISTEN TADDONIO | SENIOR TECHNOLOGY ADVISOR Highest-paid employee | 40 | $200,000 | $0 |
| XIAOPU SUN | SENIOR CHINA COUNSEL Highest-paid employee | 40 | $129,167 | $6,458 |
| ORAN YOUNG | CHAIR Trustee or director | 2 | $0 | $0 |
| VANCE HUGHES | SECRETARY Trustee or director | 2 | $0 | $0 |
| DONALD KANIARU | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| SALLY SHELTON-COLBY | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| RACHEL BIDERMAN | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| LEWIS GORDON | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 5800 MACARTHUR BLVD NW, WASHINGTON, DC 20016-2512
- In care of
- % DURWOOD ZAELKE
- Principal officer (990 for 2024)
- DURWOOD ZAELKE, 5800 MACARTHUR BLVD NW, WASHINGTON, DC 200162512
- Signed the 990
- DURWOOD ZAELKE, PRESIDENT
- Phone
- (202) 338-1300
- Website
- WWW.IGSD.ORG
- Return prepared by
- COUNCILOR BUCHANAN & MITCHELL PC
Mission
IGSD'S MISSION IS TO PROMOTE FAST CLIMATE MITIGATION TO SLOW NEAR-TERM WARMING AND SELF-PROPAGATING CLIMATE FEEDBACKS, AVOID OR AT LEAST DELAY CATASTROPHIC CLIMATE AND SOCIETAL TIPPING POINTS, AND LIMIT GLOBAL TEMPERATURES TO 1.5 COR AT LEAST KEEP THIS TEMPERATURE GUARDRAIL IN SIGHT AND LIMIT OVERSHOOT.
Program accomplishments
- SUSTAINABLE DEVELOPMENTTHE INSTITUTE WORK TO ENSURE FAST CUTS TO THE NON-CARBON DIOXIDE CLIMATE POLLUTANTS AND OTHER FAST CLIMATE MITIGATION STRATEGIES TO SLOW NEAR-TERM WARMING AND SELF-AMPLIFYING CLIMATE FEEDBACKS, AVOID OR AT LEAST DELAY CATASTROPHIC TIPPING POINTS, AND LIMIT GLOBAL TEMPERATURE RISE.Expenses $7,779,486 · grants $609,735
- INTERNATIONAL CLIMATE LITIGATIONTHE FAST-ACTION CLIMATE MITIGATION CAMPAIGN - TO PROMOTE NON-CO2 STRATEGIES THAT WILL RESULT IN SIGNIFICANT EMISSIONS REDUCTIONS IN THE NEAR TERM AS WELL AS TO COMPLEMENT CUTS IN CO2 WHICH ARE ESSENTIAL IN THE LONG-TERM.Expenses $1,431,436
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 June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 81-0616238
- 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
- 2004
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- International, foreign affairs and national security (Q20)
- Assets (IRS master file)
- $15,668,160
- Income (IRS master file)
- $13,022,902
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $13,022,902 | $9,294,625 | $15,668,160 | XML |
| 990 | June 2024 | $12,184,827 | $8,476,631 | $12,013,948 | XML |
| 990 | June 2023 | $12,604,816 | $8,098,302 | $8,189,235 | XML |
| 990 | June 2022 | $6,894,670 | $7,385,774 | $5,047,571 | IRS |
| 990 | June 2021 | – | – | – | IRS |
| 990 | June 2020 | – | – | – | IRS |
| 990 | June 2019 | – | – | – | IRS |
| 990 | June 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 81-0616238).
Questions about INSTITUTE FOR GOVERNANCE AND SUSTAINABLE DEVELOPMENT INC
- What is the EIN of INSTITUTE FOR GOVERNANCE AND SUSTAINABLE DEVELOPMENT INC?
- The employer identification number (EIN) of INSTITUTE FOR GOVERNANCE AND SUSTAINABLE DEVELOPMENT INC is 81-0616238.
- Is INSTITUTE FOR GOVERNANCE AND SUSTAINABLE DEVELOPMENT INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2004.
- Are donations to INSTITUTE FOR GOVERNANCE AND SUSTAINABLE DEVELOPMENT INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does INSTITUTE FOR GOVERNANCE AND SUSTAINABLE DEVELOPMENT 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 INSTITUTE FOR GOVERNANCE AND SUSTAINABLE DEVELOPMENT INC due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did INSTITUTE FOR GOVERNANCE AND SUSTAINABLE DEVELOPMENT INC last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2025.
- Who is the principal officer of INSTITUTE FOR GOVERNANCE AND SUSTAINABLE DEVELOPMENT INC?
- The 990 for the year ended June 30, 2025 names DURWOOD ZAELKE.
- Who are the officers and directors of INSTITUTE FOR GOVERNANCE AND SUSTAINABLE DEVELOPMENT INC?
- The 990 for the year ended June 30, 2025 lists 13 people; 7 received compensation from the organization, the highest $300,000 (DURWOOD ZAELKE, PRESIDENT).
- How much revenue does INSTITUTE FOR GOVERNANCE AND SUSTAINABLE DEVELOPMENT INC have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $13,022,902, expenses of $9,294,625 and total assets of $15,668,160 at year end.
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