John D. Arnold

American philanthropist (born 1974)

John D. Arnold

Summary

John Douglas Arnold is an American billionaire. In 2007, Arnold became the youngest billionaire in the U.S. His firm, Centaurus Advisors, LLC, was a Houston-based hedge fund specializing in trading energy products that closed in 2012. He now focuses on philanthropy through Arnold Ventures LLC. Arnold is a board member of Breakthrough Energy and since February 2024, is a member of the board of directors of Meta.

Originally created by 68.248.40.254

8/13/2005, 10:33:05 AM

Modified

5/20/2026, 8:50:18 PM

Recent revisions

Fiske5/20/2026, 8:50:18 PM

/* Philanthropy */ implement a part of COI edit request

Fiske5/20/2026, 8:41:28 PM

/* Philanthropy */ implement a part of COI edit request

GreenC bot5/14/2026, 11:14:40 PM

Rescued 1 archive link. [[User:GreenC/WaybackMedic_2.5|Wayback Medic 2.5]] per [[WP:URLREQ#money.cnn.com]]

Bamyloid423/29/2026, 7:45:18 PM

added links

Bamyloid423/29/2026, 7:44:01 PM

Previous (motivated) edits covered up Arnold's use of the 5th amendment during a deposition.

Bamyloid423/29/2026, 7:36:12 PM

Undid revision [[Special:Diff/1272336452|1272336452]] by [[Special:Contributions/74.47.126.45|74.47.126.45]] ([[User talk:74.47.126.45|talk]])

AnomieBOT12/6/2025, 8:01:58 PM

Dating maintenance tags: {{Bsn}}

Selbstporträt12/6/2025, 7:40:57 PM

/* Career */ better source needed for the 100%, as the number I've seen are far from it

Selbstporträt12/6/2025, 7:33:06 PM

Breakthrough Energy

Ccirulli10/15/2025, 6:14:00 AM

/* Career */ 750 mil

Bender the Bot10/7/2025, 12:29:25 AM

/* Career */ HTTP to HTTPS for [[Financial Times]]

BD241210/3/2025, 2:14:06 AM

clean up spacing around commas and other punctuation fixes, replaced: ,T → , T

LagrangianFox10/2/2025, 10:23:13 AM

/* External links */ link

Meepmeepyeet9/24/2025, 10:39:10 PM

Adding headshot in response to COI request

AnomieBOT4/15/2025, 3:33:51 AM

Dating maintenance tags: {{Better source needed}}

Czarking04/15/2025, 3:08:34 AM

/* Philanthropy */ source is a passing mention, seems to be inaccurate to call it "giving away" when he is giving it to foundation he controls

Czarking04/15/2025, 3:02:44 AM

less POV this needs a lot of work

Arbor to SJ3/21/2025, 4:01:27 AM

/* Controversies */ better link

Dmh173/5/2025, 6:38:55 AM

/* Career */

104.48.45.1012/28/2025, 8:31:39 PM

/* Philanthropy */ Correction to year

Contributors

Source: WikipediaView full article