Declaration Partners Email Format

Investment ManagementNew York, United States11-50 Employees

Declaration Partners operates as a private investment firm that aims to be a value-added partner and strategic resource for founders, entrepreneurs, management teams, and asset owners. The firm traces its roots to the family office of private equity veteran and philanthropist David M. Rubenstein and invests on behalf of family offices and like-minded institutional investors. It manages about $2.0 billion in assets across private investment strategies, including tactical growth equity, real estate, GP solutions, and other opportunistic approaches, with a focus on long-term alignment rooted in its family office heritage.

Headquartered in New York, with an office in the Washington, DC area, it positions itself as a collaborator to founders, management teams, and asset owners alongside family offices and similar institutional investors. The firm was founded in 2017. In June 2026, Declaration Partners formed a partnership with L3 Campus to invest in student housing across the United States.

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