AUM

Est. $3B+ (Wilmar holdings and other investments)

Principals

4

Principal Net Worth

$3.5B

Data Flags

Wealth tied to Wilmar International stock; limited public family office information

Sitorus Family Office

SFOHigh Confidence

Singapore / Indonesia

Last verified: Jan 17, 2026

Details

Source of Wealth
Agribusiness (Palm Oil - Wilmar International)
Assets Under Management
Est. $3B+ (Wilmar holdings and other investments)
Source File
research/organizations/sitorus-family-office.md
UID
fo-sitorus-family-office

Also Known As

Martua Sitorus Family OfficeSitorus CapitalThio Seng Hap (birth name)

Relationship Strength

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Changelog

  • 2026-01-17Upgraded to High confidence - verified $3.55B net worth via Forbes #23 Indonesia 2025, Wikipedia confirms billionaire status
  • 2026-01-16Enriched with full biography, birth date (Feb 18, 1960), birth name (Thio Seng Hap), education (HKBP Nomensen University), wife Rosa, brother Ganda Thio, Gama Corporation, Aviva Tower ownership
  • 2026-01-15Auto-generated from principal Martua Sitorus

Engagement & Preferences