Charities United States Social Services Ithaka Harbors Inc
Ithaka Harbors Inc logo

Ithaka Harbors Inc

See schedule othe mission of ithaka harbors, inc. ("ithaka") is to improve access to knowledge and education for people around the world.

Social Services New York, NY EIN 133857105 · IRS Sign up to see website
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79
Integrity Assessment
Strong transparency
79/100 · methodology

About Ithaka Harbors Inc

We are a mission-based not-for-profit working to eliminate barriers to learning by making higher education and access to knowledge more affordable.

Founded
Headquarters
New York, NY
Foundation type
Supporting organization (509(a)(3))
NTEE code
V30
IRS subsection
501(c)(c3)
Ruling date

Verified certifications

Confirmed against the issuing authority - not self-reported.

IRS Tax-Deductible since 1996

Mission

See schedule othe mission of ithaka harbors, inc. ("ithaka") is to improve access to knowledge and education for people around the world.

Focus areas & reach

· What they work on and where
Social Services · NTEE V30

How it stacks up against peers

· vs. 8 similar social services in United States
Program spending This charity: 0%
Peer average: 81%
CEO comp as % of revenue This charity: 0.49%
Peer average: 0.48%
Integrity Assessment This charity: 79
Peer average: 90

Red flags

· All clear
IRS revocation history
Open investigations
Governance scandals
Related-party deals
Excessive exec comp

Common questions

· Auto-generated from filings + methodology

Ithaka Harbors Inc is a registered social services nonprofit based in New York, NY, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 1995 and has been operating for 31 years. Its EIN is 133857105. It has a GiveRadar Integrity Assessment of 79/100 (Strong transparency), indicating well-documented governance, financials, and contact details. This is below the average of 90/100 for social services charities in United States. The organization reports $126M in annual revenue. 153 officers and directors are publicly disclosed. No red flags have been detected.

Ithaka Harbors Inc has a GiveRadar Integrity Assessment of 79/100. 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 79 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. For comparison, the average integrity assessment for social services charities in United States is 90/100.

Ithaka Harbors Inc is located in New York, NY, United States. The organization was established in 1995 and has been active for 31 years.

Based on official tax filings, Ithaka Harbors Inc has $126M in annual revenue. Its revenue is significantly above the peer average of $2M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Ithaka Harbors Inc is classified as a Social Services organization, registered in United States. It operates as a Supporting organization (509(a)(3)). It has $126M in annual revenue. The organization has 153 disclosed officers and directors.

No red flags have been detected for Ithaka Harbors 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.

Ithaka Harbors Inc has a GiveRadar Integrity Assessment of 79/100 (Strong transparency) and no red flags have been detected, which suggests it is a well-documented organization. It is regulated by the IRS. Visit the Ithaka Harbors 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.

We are a mission-based not-for-profit working to eliminate barriers to learning by making higher education and access to knowledge more affordable. Ithaka Harbors Inc is classified as a social services organization registered in United States. The organization was founded in 1995.

Among social services charities registered in United States: Ithaka Harbors Inc's GiveRadar Integrity Assessment of 79/100 is below the peer average of 90/100. Its annual revenue of $126M is well above the peer average of $2M.

Yes, donations to Ithaka Harbors Inc are generally tax-deductible in the United States. Its EIN is 133857105, 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 5 official sources, last refreshed .

Annual revenue
$100M-$1B
0% to programs
Source: IRS 990 (FY2024) why this matters
Unlock exact figures

Filing history

5 years on file from IRS 990 (FY2024): revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: 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

KE
Kevin Guthrie
President

Officers & trustees (25)

Source: Public filings

AL
Alex H••••••••
VP, INNOVATION
AR
Archibald C••••
CHIEF ARCHITECT
AR
Arielle A•• S•••• 5••••
CHIEF FINANCIAL OFFICER & TREASURER
BA
Barbara R•••••••••
TRUSTEE
CA
Carol A M•••••
TRUSTEE
CA
Catharine B H•••
MANAGING DIRECTOR, ITHAKA S+R
CA
Catharine B••• H•••
MANAGING DIRECTOR, ITHAKA S+R
CA
Catharine H•••
MANAGING DIRECTOR, ITHAKA S+R
CL
Claudia V S•••••••
TRUSTEE
CU
Curtis L K•••••••
TRUSTEE
DA
Dale L M••••
VP, PLATFORM ENGINEERING AND OPS
DA
Dale M••••
CHIEF TECHNOLOGY OFFICER
DE
Debbie B••••••
VP, WORK LIFE & CULTURE
DE
Debora B••••••
VP, WORK LIFE & CULTURE
DR
Dr C•••••• V S•••••••
TRUSTEE
ER
Eric S••••••
DIR,SOFTWARE ENGINEERING
EU
Eugene Y L••• J•
TRUSTEE
GE
Gerard A••••••••
CHIEF FINANCIAL OFFICER & TREASURER
GE
Gerard A•••••••• T••• 5••••
CHIEF FINANCIAL OFFICER & TREASURER
HA
Harmony F••••
VP, MARKETING
HA
Harmony V F••••
VP, MARKETING
HE
Heather J•••••
DEPUTY GENERAL COUNSEL
HE
Heidi B•••••••••
VP, COMMUNICATIONS
HE
Heidi M•••••••
VP, COMMUNICATIONS
HE
Herbert S W•••••• J•
TRUSTEE
Full names, contact details & compensation

Free with an account.

Unlock

Latest news

From global news sources

5 articles found

From global news sources

Sentiment

Neutral

Activity timeline

Filings and press mentions, merged

People on the move: 4/27/2026 - Pittsburgh Post-Gazette
Apr 2026
www.post-gazette.com
Ten Surprising Things You Can Enjoy Online, Thanks to JSTOR - Mellon Foundation
Oct 2025
www.mellon.org
JSTOR’s Generative AI Features - Carleton College
Mar 2025
www.carleton.edu
Form filed
$126.0M revenue
FY2024
IRS_990
Form filed
$106.0M revenue
FY2023
IRS_990
Form filed
$115.2M revenue
FY2022
IRS_990
Form filed
$122.8M revenue
FY2021
IRS_990
Form filed
$107.0M revenue
FY2020
IRS_990
National Endowment for the Humanities and the Mellon Foundation Announce Grants to Digitize Essential Humanities Books -
Apr 2018
www.neh.gov
JSTOR’s Arabic-Language Digitization Project - National Endowment for the Humanities (.gov)
Jun 2017
www.neh.gov

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Peer charities

Other social services in United States, by integrity assessment

Charity Score Revenue Program %
Ithaka Harbors Inc This page 79 $126.0 million -
Oklahoma Religious Coalition for Reproductive Choice 90 $289,561 98%
North Carolina Holocaust Foundation 90 $169,858 71%
Coalition for Responsible Home Education Inc 90 $196,212 88%
Grace Pregnancy Outreach 90 $205,386 99%
Count Us in 90 $124,733 100%
Olneyville Neighborhood Association 90 $536,142 100%
Court Appointed Special Advocates of San Benito County … 90 $321,975 94%
Association of the Bar of the City of … 89 $9.7 million 1%

Sources and verification

Refreshed

Registration and legal identity
Internal Revenue Service (IRS) - Tax Exempt Organization Search
Financial filings
IRS Form 990 filings - Fiscal year 2024 most recent on file.
Officers and trustees
Internal Revenue Service (IRS) - Tax Exempt Organization Search - 153 disclosed in the public registry.
News and media coverage
GDELT Project + Google News
Supplementary verification
Charity Navigator

Data freshness

Last updated
May 27, 2026
Profile completeness
100%

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
Programmatic detail
Specific cause areas not yet tagged

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 Ithaka Harbors Inc

What is Ithaka Harbors Inc?
Ithaka Harbors Inc is a social services supporting organization (509(a)(3)) based in New York, United States. We are a mission-based not-for-profit working to eliminate barriers to learning by making higher education and access to knowledge more affordable.
When was Ithaka Harbors Inc founded?
Ithaka Harbors Inc was founded in 1995.
Who leads Ithaka Harbors Inc?
Kevin Guthrie serves as President.
Where is Ithaka Harbors Inc located?
Headquartered in New York, United States.
What is Ithaka Harbors Inc's annual budget?
Annual revenue for fiscal year 2024 is approximately $100M-$1B. 0% of expenses go to program services.
Is Ithaka Harbors Inc trustworthy?
Ithaka Harbors Inc has a GiveRadar Integrity Assessment of 79 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 Ithaka Harbors Inc's registration number?
IRS EIN: 133857105.
What is Ithaka Harbors Inc's website?
http://www.ithaka.org