Key Takeaways
- • Ken Griffin pledged $26 million to the Theodore Roosevelt Presidential Library in North Dakota, one of the largest gifts in the institution's history, with the library's west wing to be named in his honor.
- • Griffin leads South Florida philanthropy with $79 million in donations during 2025, including $50 million for a NYC charter school expansion to Miami and $20 million to Vizcaya.
- • Griffin and the Bezos Family Foundation jointly committed $7 million over three years to expand a personalized math program across Miami-Dade County schools, targeting 75 schools by 2028 using a web-based learning platform.
- • Jeff Bezos and his wife Lauren Sanchez Bezos partnered with Leonardo DiCaprio to launch the Phoenix Species Project, a $200 million conservation initiative aimed at saving 100 critically endangered species from extinction—described as the largest single fund dedicated exclusively to species recovery.
- • Both billionaires have significantly increased their Miami presence: Griffin relocated Citadel's headquarters to Miami in 2022, while Bezos purchased multiple properties on Indian Creek Island in 2023-2024, amplifying their influence on South Florida's development as a global wealth and business center.
Summary
Ken Griffin and Jeff Bezos, two of Miami's most prominent billionaire residents, have committed substantial capital to major philanthropic initiatives spanning conservation, education, and historic preservation. Their coordinated giving underscores a broader pattern of wealth deployment by ultra-high-net-worth individuals relocating to South Florida.
Griffin's most recent major commitment was a $26 million pledge to the Theodore Roosevelt Presidential Library, which opened in July 2026 in North Dakota's Badlands. The library designated the gift as one of the largest in its history, with Griffin's name affixed to the institution's west wing. Beyond this, Griffin leads South Florida's donor rankings with $79 million in philanthropic contributions during 2025, significantly outpacing runner-up Stephen Ross's $78.34 million. His South Florida allocations include $50 million toward bringing a New York City charter school model to Miami and $20 million to support Vizcaya.
In an area of direct collaboration, Griffin and the Bezos Family Foundation jointly committed $7 million over three years to expand the New Classrooms math program across Miami-Dade County public schools. The initiative employs a web-based platform designed to personalize math instruction by tracking individual student skill development. The program aims to reach 75 schools by 2028, expanding access to technology-enabled learning in one of Florida's largest school districts.
On the conservation front, Bezos and his wife Lauren Sanchez Bezos announced partnership with Leonardo DiCaprio to establish the Phoenix Species Project, a $200 million fund dedicated exclusively to protecting 100 of the world's most critically endangered species. The organizations characterized this as the largest single conservation fund in history focused on species recovery. Florida's own endangered fauna—including the Florida panther, West Indian manatee, and Everglades snail kite—stand to benefit from this initiative.
Both billionaires have substantially increased their Miami footprint: Griffin relocated Citadel's global headquarters to Miami in 2022, while Bezos acquired multiple properties on the exclusive Indian Creek Island in 2023-2024. Their concentrated giving and permanent relocation have positioned Miami as an increasingly important node in the philanthropic networks of global wealth, with implications for South Florida's competitive positioning as a financial and business hub.
Griffin's most recent major commitment was a $26 million pledge to the Theodore Roosevelt Presidential Library, which opened in July 2026 in North Dakota's Badlands. The library designated the gift as one of the largest in its history, with Griffin's name affixed to the institution's west wing. Beyond this, Griffin leads South Florida's donor rankings with $79 million in philanthropic contributions during 2025, significantly outpacing runner-up Stephen Ross's $78.34 million. His South Florida allocations include $50 million toward bringing a New York City charter school model to Miami and $20 million to support Vizcaya.
In an area of direct collaboration, Griffin and the Bezos Family Foundation jointly committed $7 million over three years to expand the New Classrooms math program across Miami-Dade County public schools. The initiative employs a web-based platform designed to personalize math instruction by tracking individual student skill development. The program aims to reach 75 schools by 2028, expanding access to technology-enabled learning in one of Florida's largest school districts.
On the conservation front, Bezos and his wife Lauren Sanchez Bezos announced partnership with Leonardo DiCaprio to establish the Phoenix Species Project, a $200 million fund dedicated exclusively to protecting 100 of the world's most critically endangered species. The organizations characterized this as the largest single conservation fund in history focused on species recovery. Florida's own endangered fauna—including the Florida panther, West Indian manatee, and Everglades snail kite—stand to benefit from this initiative.
Both billionaires have substantially increased their Miami footprint: Griffin relocated Citadel's global headquarters to Miami in 2022, while Bezos acquired multiple properties on the exclusive Indian Creek Island in 2023-2024. Their concentrated giving and permanent relocation have positioned Miami as an increasingly important node in the philanthropic networks of global wealth, with implications for South Florida's competitive positioning as a financial and business hub.
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