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AUM

~$4B (philanthropic assets under Arnold Ventures)

Principals

2

Data Flags

Transitioned from hedge fund to full-time philanthropy; Giving Pledge signatory

Arnold Family Office

SFOHigh Confidence

Houston, TX

Last verified: Jan 17, 2026

Details

Source of Wealth
Energy Trading (Centaurus Advisors hedge fund)
Assets Under Management
~$4B (philanthropic assets under Arnold Ventures)
Source File
research/organizations/arnold-family-office.md
UID
fo-arnold-family-office

Also Known As

John Arnold Family OfficeArnold CapitalLaura and John Arnold Foundation (former name)Arnold Ventures

Principals (2)

Laura ArnoldArnold Ventures co-founderOWNS
Three children-OWNS

Team Members (5)

Doubted EnronTitle TBD
WORKS_AT
Hock TanTitle TBD
WORKS_AT
John ArnoldCo-Chair, Arnold Ventures
WORKS_AT
Laura ArnoldCo-Chair, Arnold Ventures
WORKS_AT
Marunouchi InnovationTitle TBD
WORKS_AT

Related Entities (5)

Arnold FoundationFoundation
Arnold InvestmentsSubsidiary
Arnold VenturesSubsidiary

Primary philanthropic organization (formerly Laura and John Arnold Foundation)

Centaurus AdvisorsSubsidiary

Former hedge fund (closed 2012)

Centaurus CapitalInvestment Vehicle

Investment legacy

Relationship Strength

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Sources (5)

Changelog

  • 2026-01-17Updated net worth to $2.9B from Forbes Real-Time (previously $4.0B); added Forbes 400 rank #345 (2023); added Forbes Billionaires rank #1390 world
  • 2026-01-16Enriched with full biography, added Laura Arnold, confirmed Giving Pledge status, added career history, added Arnold Ventures details, updated confidence to High
  • 2026-01-15Auto-generated from principal John Arnold

Engagement & Preferences