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Institute for Governance and Sustainable Development Inc

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 …

Institute For Governance And Sustainable

International Washington, DC EIN 810616238 · IRS Sign up to see website
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93
Integrity Assessment
Strong transparency
93/100 · methodology

About Institute for Governance and Sustainable Development Inc

Institute for Governance and Sustainable Development Inc is a international organization based in WASHINGTON, United States. Annual revenue: $7.2 million. EIN: 810616238.

Founded
Headquarters
Washington, DC
Foundation type
Publicly-supported charity (509(a)(2))
NTEE code
Q20
IRS subsection
501(c)(03)
Ruling date
Size
large

Verified certifications

Confirmed against the issuing authority - not self-reported.

IRS Tax-Deductible since 2004

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.

Focus areas & reach

· What they work on and where
🌍 International · NTEE Q20
SDG alignment The 17 UN Sustainable Development Goals (SDGs) are the global agenda for ending poverty, protecting the planet, and ensuring prosperity by 2030. We tag each charity to the goals its work advances.
SDG 17 SDG 17 · Partnerships for the Goals Strengthen the means of implementation and revitalize the global partnership for sustainable development.

How it stacks up against peers

· vs. 8 similar international in United States
Program spending This charity: 99%
Peer average: 90%
CEO comp as % of revenue This charity: 1.92%
Peer average: 0.48%
Integrity Assessment This charity: 93
Peer average: 93

Red flags

· All clear
IRS revocation history
OFAC / EU / UN sanctions
Open investigations
Governance scandals
Related-party deals
Excessive exec comp

Where every $1 goes

$0.99
Program expenses$0.99 ($9.2 million)
99% to programs beats the peer average (90%) and beats the Charity Navigator "highly efficient" threshold (75%).

Common questions

· Auto-generated from filings + methodology

Institute for Governance and Sustainable Development Inc is a registered international nonprofit based in Washington, DC, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 2003 and has been operating for 23 years. Its EIN is 810616238. It has a GiveRadar Integrity Assessment of 93/100 (Strong transparency), indicating well-documented governance, financials, and contact details. The organization reports $13M in annual revenue. 41 officers and directors are publicly disclosed. No red flags have been detected.

Institute for Governance and Sustainable Development Inc has a GiveRadar Integrity Assessment of 93/100. This score combines five components: Registration (20 pts), Financial Transparency (30 pts), Governance (20 pts), Contact Availability (10 pts), and Data Recency (20 pts), with negative adjustments for any red flags. A score of 93 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. The charity allocates 99% of expenses to programs, which contributes positively to its score. For comparison, the average integrity assessment for international charities in United States is 93/100.

Institute for Governance and Sustainable Development Inc is located in Washington, DC, United States. The organization was established in 2003 and has been active for 23 years.

Based on official tax filings, Institute for Governance and Sustainable Development Inc has $13M in annual revenue. It allocates 99% of expenses to programs and services. This is above the average of 90% for international charities in United States. Its revenue is significantly above the peer average of $5M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Institute for Governance and Sustainable Development Inc is classified as a International organization, registered in United States. It operates as a Publicly-supported charity (509(a)(2)). By size, it is categorized as a large organization. It has $13M in annual revenue. The organization has 41 disclosed officers and directors.

No red flags have been detected for Institute for Governance and Sustainable Development Inc. GiveRadar automatically screens charities for concerning patterns including high executive compensation, low program spending, and missing financial filings. Based on available official data, no issues have been identified.

Institute for Governance and Sustainable Development Inc has a GiveRadar Integrity Assessment of 93/100 (Strong transparency) and no red flags have been detected, which suggests it is a well-documented organization. It is regulated by the IRS. 99% of expenses go to programs. The peer average is 90%. Visit the Institute for Governance and Sustainable Development Inc profile on GiveRadar for full details before deciding. GiveRadar provides data for research purposes and does not endorse any organization. Always do your own due diligence.

Institute for Governance and Sustainable Development Inc is a international organization based in WASHINGTON, United States. Annual revenue: $7.2 million. EIN: 810616238. Institute for Governance and Sustainable Development Inc is classified as a international organization registered in United States. The organization was founded in 2003.

Among international charities registered in United States: Institute for Governance and Sustainable Development Inc's GiveRadar Integrity Assessment of 93/100 is in line with the peer average of 93/100. It allocates 99% of expenses to programs, above the peer average of 90%. Its annual revenue of $13M is well above the peer average of $5M.

Yes, donations to Institute for Governance and Sustainable Development Inc are generally tax-deductible in the United States. Institute for Governance and Sustainable Development Inc is a 501(c)(3) tax-exempt organization. Its EIN is 810616238, which you can use for tax filing purposes. Donors can typically deduct contributions on their federal income tax return if they itemize deductions. Consult a tax professional for guidance specific to your situation.

Verified against 4 official sources, last refreshed .

Annual revenue
$10M-$100M
99% to programs
Source: IRS 990 (FY2025) why this matters
Unlock exact figures

Filing history

6 years on file from IRS 990 (FY2025): revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: FY2025, FY2024, FY2023, FY2022, FY2021, FY2020.
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Taxes

Tax-deductibility for donors

Donations may be tax-deductible for residents of United States under local rules. Confirm with the charity directly.

Always confirm tax treatment with the charity directly or your tax advisor before donating.

Leadership

DU
Durwood Zaelke
President

Officers & trustees (15)

Source: Public filings

AL
Alyssa J•••
LEGAL DIRECTOR, CCI
DO
Donald K••••••
BOARD MEMBER
DU
Durwood Z•••••
PRESIDENT
GA
Gabrielle D••••••
SENIOR SCIENTIST
KR
Kristen T•••••••
SENIOR TECHNOLOGY ADVISOR
LE
Lewis G•••••
VICE CHAIR
ME
Melinda S•••••
Director
OR
Oran Y••••
CHAIR
RA
Rachel B•••••••
BOARD MEMBER
RI
Richard F•••••
SENIOR COUNSEL
RI
Richard W••••
Director & CCI
RO
Romina P••••••••
SENIOR POLICY ANALYST
SA
Sally S••••••••••••
BOARD MEMBER
VA
Vance H•••••
VICE CHAIR & SECRETARY
XI
Xiaopu S••
SENIOR CHINA COUNSEL
Full names, contact details & compensation

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Latest news

From global news sources

No recent news coverage found

News coverage will appear here when articles mention this organization.

Activity timeline

Filings and press mentions, merged

Form filed
$13.0M revenue
FY2025
IRS_990
Form filed
$12.2M revenue
FY2024
IRS_990
Form filed
$12.6M revenue
FY2023
IRS_990
Form filed
$6.9M revenue
FY2022
IRS_990
Form filed
$7.2M revenue
FY2021
IRS_990
Form filed
$11.3M revenue
FY2020
IRS_990

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Peer charities

Other international in United States, by integrity assessment

Charity Score Revenue Program %
Institute for Governance and Sustainable Development Inc This page 93 $13.0 million 99%
English Language Institute in China 93 $17.1 million 89%
Cure International Inc 93 $63.2 million 84%
Cuso International 93 $20.2 million 83%
Christian Relief Fund 93 $13.8 million 91%
Orphan Grain Train Inc 93 $53.7 million 98%
Christian Relief Services Charities Inc 93 $46.1 million 91%
Doulos Partners 93 $37.7 million 99%
Brac USA Inc 93 $22.7 million 85%
All charities in
🇺🇸 United States
Best
International in United States

Sources and verification

Refreshed

Registration and legal identity
Internal Revenue Service (IRS) - Tax Exempt Organization Search
Financial filings
IRS Form 990 filings - Fiscal year 2025 most recent on file.
Officers and trustees
Internal Revenue Service (IRS) - Tax Exempt Organization Search - 41 disclosed in the public registry.
Supplementary verification
Charity Navigator

Data freshness

Last updated
Jun 12, 2026
Profile completeness
90%

What we don't know

Honest gaps - our score reflects transparency, not impact

Programs & projects
No named programs listed by the charity
Operating reach
Countries where programs run not specified

Methodology

GiveRadar combines public registry filings, ProPublica Nonprofit Explorer, Charity Navigator, GuideStar, and news archives into a single 0-100 integrity assessment. We don't take a cut of any donation, ever.

Read full methodology

Quick facts about Institute for Governance and Sustainable Development Inc

What is Institute for Governance and Sustainable Development Inc?
Institute for Governance and Sustainable Development Inc is a international publicly-supported charity (509(a)(2)) based in Washington, United States. Institute for Governance and Sustainable Development Inc is a international organization based in WASHINGTON, United States. Annual revenue: $7.2 million. EIN: 810616238.
When was Institute for Governance and Sustainable Development Inc founded?
Institute for Governance and Sustainable Development Inc was founded in 2003.
Who leads Institute for Governance and Sustainable Development Inc?
Durwood Zaelke serves as President.
Where is Institute for Governance and Sustainable Development Inc located?
Headquartered in Washington, United States.
What is Institute for Governance and Sustainable Development Inc's annual budget?
Annual revenue for fiscal year 2025 is approximately $10M-$100M. 99% of expenses go to program services.
Is Institute for Governance and Sustainable Development Inc trustworthy?
Institute for Governance and Sustainable Development Inc has a GiveRadar Integrity Assessment of 93 out of 100 (Strong transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
What is Institute for Governance and Sustainable Development Inc's registration number?
IRS EIN: 810616238.
What is Institute for Governance and Sustainable Development Inc's website?
http://www.igsd.org