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Principals

2

Principal Net Worth

$15.0B

Data Flags

None - comprehensive team research with 50+ verified LinkedIn profiles

Two Sigma (Siegel & Overdeck)

UnknownHigh Confidence

Last verified: Dec 29, 2025

Details

Source File
research/organizations/two-sigma.md
UID
fo-two-sigma

Also Known As

Siegel Family OfficeOverdeck Family OfficeTwo Sigma Foundation

Principals (2)

John OverdeckTwo Sigma Co-ChairmanOWNS
$8B
David SiegelOWNS
$7B

Team Members (11)

Ali-Milan NekmoucheChief Investment Officer, Equities
WORKS_AT
Carter LyonsCo-Chief Executive Officer
WORKS_AT
David SiegelCo-Founder & Co-Chairman
WORKS_AT
Denis de GraeveManaging Director, Chief Business Officer
WORKS_AT
Eric SchafferManaging Director, CHRO
WORKS_AT
John OverdeckCo-Founder & Co-Chairman
WORKS_AT
Matt GreenwoodChief AI Innovation Officer
WORKS_AT
Sarah Moore FassChief People Officer
WORKS_AT
Scott D. HoffmanCo-Chief Executive Officer
WORKS_AT
Scott HoffmanCo-CEO
WORKS_AT
Steve MetzgerManaging Director, General Counsel & Interim Chief Compliance Officer
WORKS_AT

Related Entities (1)

Two Sigma InvestmentsSubsidiary

Type: Quantitative hedge fund Founded: 2001 AUM: $60 billion+ Strategy: Systematic, technology-driven trading Employees: 1,800+ (many engineers/scientists) Approach: AI, machine learning, big data

Relationship Strength

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Sources (5)

Changelog

  • 2025-12-29Comprehensive team member research completed - added 50+ LinkedIn profiles across Executive Leadership, Technology/Engineering, Investment Team (Managing Directors and Portfolio Managers), Two Sigma Ventures partners, and Operations/HR. Restructured Current Team section into organized tables by function with verified LinkedIn URLs
  • 2025-12-11Initial research file created (combined founders)
  • 2025-12-11Enhanced Current Team section with Co-CEOs (Scott Hoffman, Carter Lyons) and detailed team structure (1,800+ employees, 1,000+ engineers)

Engagement & Preferences