"From well-known Wall Street energy trader to philanthropist, John Arnold began his career trading natural gas at Enron and later ran a hedge fund, Centaurus Partners. By 2012, he had retired and fully pivoted to philanthropy at 38 years old. The Arnolds have donated over $2 billion to date, and more than $204 million in 2024, according to Currently, their net worth is around $2.9 billion, meaning their donations amount to about 42 percent of their wealth."
"Since launching their foundation, "Arnold Ventures," in 2008, their philanthropic efforts have expanded to 150 employees across offices in New York City, Washington, D.C., and Houston. How the Arnolds donate John and Laura Arnolds' approach to giving is data-driven, aiming to deliver real, measurable results from what they offer, and has been fundamentally focused on research. Their efforts include a variety of public policy issues, including health care, higher education, criminal justice, infrastructure, and more."
The Giving Pledge invites the world's richest people to donate at least half their fortunes in their lifetimes or wills, but only John and Laura Arnold have met that commitment. John Arnold began trading natural gas at Enron, later ran Centaurus Partners, and retired in 2012 at age 38 to focus on philanthropy. The Arnolds have given over $2 billion, including more than $204 million in 2024, representing roughly 42% of a $2.9 billion net worth. John Arnold holds a Forbes philanthropy score of 5 out of 5. Arnold Ventures, founded in 2008, employs about 150 staff across New York City, Washington, D.C., and Houston. Giving is data-driven and research-focused, targeting measurable outcomes across health care, higher education, criminal justice, infrastructure, and related public policy areas. The Arnolds emphasize spending wealth in real time and do not plan a legacy foundation after their deaths. Arnold Ventures recently joined the American Institute for Boys and Men to call for research on the long-term consequences of online sports betting.
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