Greentree Foundation
The Greentree Foundation is a philanthropic nonprofit organization based in Manhasset, New York.
Greentree Foundation
The Greentree Foundation is a philanthropic nonprofit organization based in Manhasset, New York. Established in 1982 by Betsey Cushing Roosevelt Whitney, it operates a 400-acre estate as a conference center dedicated to international justice and human rights issues. The foundation also hosts a Teachers' Ecology Workshop, offering in-depth lectures and field-based programs on Long Island's natural world.
General information
Firm type
Endowment / Foundation
Year founded
1982
AUM
—
Location
Region
North America
Country
—
City
Manhasset
Corporate office
220 Community Drive
Frequently asked questions
What is Greentree Foundation?
Greentree Foundation is a endowment / foundation headquartered in Manhasset.
When was Greentree Foundation founded?
Greentree Foundation was founded in 1982.
Where is Greentree Foundation headquartered?
Greentree Foundation is headquartered in Manhasset, in the North America region.
What does Altss track for Greentree Foundation?
Altss maintains an OSINT-verified profile of Greentree Foundation covering investment focus (ESG policy, ticket size, target IRR, currency preference, regional focuses, industry focuses, technological focuses), team (service providers and advisors), deals (company deals and fund commitments), assets (real estate, public market positions, private companies, art and cultural holdings, philanthropy and foundations), and network (club memberships, associations, and event participation). Detailed values are available to Altss subscribers.
What is Greentree Foundation's website?
Greentree Foundation's public website is gtftew.org. Verified contact details for principals and decision-makers are available to Altss subscribers.
What type of firm is Greentree Foundation?
Greentree Foundation is classified by Altss as a Endowment / Foundation within the North America region.
How does Altss source intelligence on Greentree Foundation?
Altss combines OSINT (open-source intelligence) with regulatory filings, public disclosures, and licensed data partners. Source provenance is tracked to support compliance-ready research workflows.
How fresh is the Altss profile for Greentree Foundation?
Greentree Foundation's profile is part of Altss's continuous-refresh dataset, with a full update cycle at least every 30 days and priority changes applied as new information is verified.
Company types
Confirmed
Pipeline
Indicated
Negative
Industry focuses
Confirmed
Pipeline
Indicated
Negative
Regional focuses
Confirmed
Pipeline
Indicated
Negative
Technological focuses
Confirmed
Pipeline
Indicated
Negative
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Get accessInvestment stages
Confirmed
Pipeline
Indicated
Negative
Emerging interests
Hard exclusions
ESG policy
Direct deal program
Emerging manager LP program
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Get accessManager maturity preference
Confirmed
Indicated
Ticket size (USD M, min/max)
Preferred fund size (USD M, min/max)
Investment horizon (years, min/max)
Target IRR (%)
Max leverage
Liquidity terms
Currency preference
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Get accessPhilanthropy-only themes
Political donations
Service Providers & Advisors
| Category | Firm | Years Active | Primary Contact |
|---|---|---|---|
Company Deals
| Date | Company | Type | Sector | Geography | Role | Amount | Deal Lead | Co-investors | Insight |
|---|---|---|---|---|---|---|---|---|---|
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Get accessFund Commitments
| Date | Fund | Strategy | Geography | Role | Fund size | Vintage |
|---|---|---|---|---|---|---|
Club Memberships and Associations & Advisors
| Organization | Role | Since | Notes |
|---|---|---|---|
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Get accessEvent & Conference Participation
| Event | Role | Date | Location |
|---|---|---|---|
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Continuous refresh with full update cycles at least every 30 days.
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