John Arnold

Arnold grew up in Dallas, TexasTexasTexas is a U.S. state in the south-central United States, with its capital at Austin and its largest city Houston. It was admitted to the Union on December 29, 1845, as the 28th state, and the 2020 census (April 1, 2020) counted 29,145,505 residents.Open the full entry, and earned a bachelor’s degree from Vanderbilt University.⁠[1][2]

He later oversaw natural gas derivatives trading at the energy company Enron, where he became a star trader.⁠[2][3]

In 2002, after Enron’s collapse, Arnold used an $8 million bonus to launch the hedge fund Centaurus, which specialized in natural gas trading. At its peak the fund managed about $5 billion, and in 2006 it returned 317% net.⁠[3]

In 2008 Arnold and Laura Arnold co-founded the Laura and John Arnold Foundation, which later became Arnold Ventures.⁠[4]

In 2010 Arnold and Laura Arnold signed the Giving Pledge, as among its original signatories, committing the majority of their assets to their foundation during their lifetimes and most of the remainder at death.⁠[5][2]

In May 2012, at age 38, Arnold announced to investors that he was closing Centaurus and retiring from trading. In his letter to investors he said that after 17 years as an energy trader it was time to pursue other interests. In 2011, its last full year, the fund returned 9% net.⁠[3][6]

He then turned his focus to philanthropy. He also founded Centaurus Capital, an energy-focused family office investment fund.⁠[2]

In 2024 the Laura and John Arnold Foundation, part of Arnold Ventures, made about $190 million in grants, and the Action Now Initiative made about $10 million.⁠[7]

Since February 2024 Arnold has served on MetaMetaMeta (Meta Platforms, Inc.) is a publicly listed American technology company, renamed from Facebook in 2021, that operates social communication, digital advertising, virtual reality, smart glasses and artificial intelligence businesses.Open the full entry’s board of directors.⁠[8]

On June 11, 2026 Arnold Ventures issued a statement on the Commodity Futures Trading CommissionCommodity Futures Trading CommissionThe U.S. Commodity Futures Trading Commission (CFTC) is an independent federal agency created by the Commodity Futures Trading Commission Act of 1974 and operating since 1975 to regulate futures, options and swaps markets; it has treated bitcoin and other virtual currencies as commodities since 2015 and has been chaired since December 22, 2025 by Michael Selig.Open the full entry’s (CFTC) proposed rules for prediction markets, saying that sports prediction markets are sports gambling that should be regulated by the states and that the rules “fall critically short.” Arnold wrote on X that the CFTC’s rules “should have preceded the approval of sports betting on prediction markets, but better late than never.”⁠[9]

On July 7, 2026 Arnold Ventures announced 12 new research grants totaling about $2.6 million to study the impacts of sports betting on consumer behavior and risk, financial and household outcomes, public health and social outcomes, and state policy and revenue.⁠[10]

Arnold Ventures is headquartered in Houston with offices in New York and Washington, D.C. With a mission to maximize opportunity and minimize injustice, it funds evidence-based policy research and advocacy in criminal justice, education, health, infrastructure and public finance, and has more than 100 subject-matter experts. Arnold serves as its co-chair.⁠[4][11]

Arnold is also co-founder and chairman of Grid United, a developer of interregional high-voltage transmission projects; serves on the boards of Vanderbilt University, the Columbia Center on Global Energy Policy and The City Fund; and chairs the Houston 2026 FIFA World CupFIFA World CupThe FIFA World Cup is FIFA’s men’s national-team football tournament, held every four years.Open the full entry Host Committee.⁠[1][2]

X: Public account: https://x.com/johnarnold (opens in a new window)⁠[11]

Arnold Ventures: Official website: https://www.arnoldventures.org/ (opens in a new window)⁠[4]

Meta: Official website: https://about.meta.com/ (opens in a new window)⁠[8]