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AUM

Not disclosed

Principals

4

Principal Net Worth

$8.6B

Data Flags

Stryker Corp heir; major philanthropist; $100M Spelman gift (largest HBCU donation)

Stryker Family Office

SFOHigh Confidence

Kalamazoo, Michigan

Last verified: Jan 16, 2026

Details

Website
Unknown
Source of Wealth
Healthcare (Medical Devices)
Assets Under Management
Not disclosed
Source File
research/organizations/stryker-family-office.md
UID
fo-stryker-family-office

Also Known As

Ronda Stryker Family OfficeStryker Johnston FoundationRonda E. Stryker

Principals (4)

Ronda StrykerFounder/PrincipalOWNS
$8.6B
Parents-OWNS
Homer StrykerFounder, Stryker CorpOWNS
William JohnstonCo-philanthropistOWNS

Team Members (2)

Ronda StrykerPrincipal
WORKS_AT
William JohnstonSpouse/Co-philanthropist
WORKS_AT

Related Entities (2)

Stryker CorporationSubsidiary

(NYSE: SYK) - ~5-6% stake; Vice Chair

Stryker Johnston FoundationFoundation

Primary philanthropic vehicle Private investment holdings

Relationship Strength

Loading relationships...

Sources (6)

Changelog

  • 2026-01-16Verified to High confidence - Forbes 400 (#157, $8.6B), Bloomberg (#333, $10.5B), Michigan billionaires coverage, HBCU donor list
  • 2026-01-16Enriched with biography, grandfather Homer Stryker founder details, 5-6% stake, $100M Spelman gift (2024), board seats, $1.8B stock sales history
  • 2026-01-15Enriched with board seats, Spelman $100M gift note, cleaned up team section
  • 2026-01-15Auto-generated from principal Ronda Stryker

Engagement & Preferences