Sant Foundation

Sant Foundation

The Sant Foundation was established in 2015 in Washington, DC by Lex Sant, Roger Sant, and Victoria Sant. The family's wealth originated with AES Corporation, the global power company Roger Sant co-founded, and was later augmented by Persimmon Tree Capital, the renewable-energy investment fund Lex Sant co-managed. Victoria Sant, a former president of the National Gallery of Art, brought a cultural-patronage dimension to the foundation's identity before her death in 2018. The foundation operated at the intersection of philanthropy and venture investing, applying a climate-focused deployment strategy that bridged grants and market-rate impact investments. Its capital flowed into early-stage renewable energy, energy efficiency, and carbon-reduction ventures. The investment architecture relied heavily on co-investment partnerships — most notably with Encourage Capital, the New York-based asset manager where managing partners Adam Wolfensohn and Jason Scott ran a dedicated climate strategy. The foundation also held novel assets including carbon revenue streams, reflecting an early conviction that carbon markets would mature into a distinct asset class. By 2023, Lex Sant had steered the foundation into a merger with The Summit Foundation, another DC-based family foundation where Roger Sant already served as chair. The combined entity folded the Sant Foundation's climate portfolio and philanthropic commitments under a unified governance structure. Lex Sant assumed the presidency of The Summit Foundation, signaling continuity of the family's influence. His external board commitments — including Oceana, the Trust for Public Land, and Island Press — reinforced the foundation's dual anchor in ocean conservation and public-space advocacy. Structurally, the Sant Foundation was unusual for its size. Rather than outsourcing to an OCIO or blending into a donor-advised fund, it maintained direct co-investment relationships and hired a dedicated president with private-market experience. That operating-company posture — rare among foundations of similar vintage — meant the foundation functioned more like a lean family-office direct-investment platform than a traditional grantmaking endowment. The 2023 merger did not retire that posture; it embedded it into a larger, permanent institution.