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WillowTree
WillowTree is the single-family office of John A. Griffin, investing in venture-stage technology companies from Charlottesville, Virginia.
WillowTree
John Griffin built his wealth as the co-founder and managing partner of Blue Ridge Capital, a New York-based hedge fund he ran for nearly three decades, before winding it down in 2020. That same year he established WillowTree, a single-family office headquartered in Charlottesville, Virginia, concentrating on venture capital and private equity. WillowTree makes direct investments in early- to growth-stage companies, often as a lead or co-investor, with a focus on enterprise software, financial technology, healthcare, and climate. Portfolio known positions include investments in companies like Candidly, a student debt management platform, and Koala, a sustainability-focused packaging firm. The firm generally co-invests alongside institutional venture partners rather than acting as a fund-of-funds. The office is lean, with a small team of investment professionals. Griffin also operates an adjacent philanthropic structure, the John A. Griffin Foundation, which supports education and health initiatives. In May 2025, WillowTree was reported to have participated in a $30M Series B for Candidly, alongside Blue Venture Fund and other co-investors (per SEC filings, May 2025). WillowTree's structural differentiator is its concentrated, direct-investment approach—a single-family office that acts more like a venture firm, writing larger checks from one family balance sheet, with a longer holding period than typical VC funds. This model allows it to provide patient capital.
General information
Firm type
Single Family Office
Year founded
2020
AUM
Undisclosed
Location
Region
North America
Country
United States
City
Charlottesville
Corporate office
Charlottesville, VA, United States
Principals
John A. Griffin
Founder
Sector focus
Frequently asked questions
Who runs investment decisions at WillowTree?
John A. Griffin, the founder of WillowTree, leads the investment team. He previously co-founded and ran Blue Ridge Capital for 27 years, a hedge fund with over $8 billion in assets at its peak. The family office employs a small, experienced team that sources and evaluates deals alongside Griffin.
How does WillowTree source proprietary deal flow?
WillowTree leverages Griffin's extensive network from his hedge fund career and co-investor relationships with top venture firms. It often co-invests in companies sourced through these partners, as seen in its participation in Candidly's Series B alongside Blue Venture Fund. Direct deal sourcing comes from the team's sector focus and founder relationships.
What investment stages does WillowTree typically target?
WillowTree focuses on early- to growth-stage venture capital opportunities, typically Series A through Series C rounds. It writes larger checks as a lead or significant co-investor, favoring direct placements over fund commitments. The firm is sector-agnostic but concentrates on technology, healthcare, and climate.
Does WillowTree participate in fund commitments or only direct deals?
WillowTree primarily makes direct investments in portfolio companies and co-invests alongside venture firms. It has not been publicly reported as a limited partner in third-party venture funds. The office operates as a single-family office deploying capital from one balance sheet, rather than a fund-of-funds.
Where does the underlying wealth come from?
John A. Griffin's wealth originates from his co-founding of Blue Ridge Capital in 1996, a hedge fund that managed billions and delivered strong returns for decades. After winding down Blue Ridge in 2020, Griffin transitioned to managing his family capital through WillowTree. He also co-founded Vestigo Ventures, a private investment firm.
Does WillowTree maintain philanthropic structures, and how are they separated?
Yes, John Griffin operates the John A. Griffin Foundation, which focuses on education and health initiatives, separate from WillowTree's investment activity. The foundation is funded by Griffin's personal wealth and does not mix with the family office's investment capital or operational strategy. Its charitable giving is distinct from the office's deal flow.
What is WillowTree's known posture on co-investments alongside external GPs?
WillowTree frequently co-invests alongside institutional venture capital firms, such as its participation in Candidly's Series B alongside Blue Venture Fund. This strategy allows the office to access institutional-quality deal flow while maintaining a concentrated, long-term portfolio. It generally acts as a minority co-investor rather than leading rounds.
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.
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