AUM
Est. $7B+ (based on net worth)
Principals
3
Principal Net Worth
$8.4B
Data Flags
#163 Forbes 400 2025; Microsoft Word/Excel creator; two-time space tourist
Simonyi Family Office
SFOHigh ConfidenceMedina, Washington (Seattle area)
Last verified: Jan 16, 2026
Details
- Source of Wealth
- Technology (Microsoft)
- Assets Under Management
- Est. $7B+ (based on net worth)
- Source File
- research/organizations/simonyi-family-office.md
- UID
- fo-simonyi-family-office
Also Known As
Charles Simonyi Family OfficeSimonyi CapitalCharles and Lisa Simonyi Fund
Principals (3)
Team Members (2)
Related Entities (3)
Relationship Strength
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Sources (7)
- https://en.wikipedia.org/wiki/Charles_Simonyi
- https://www.forbes.com/profile/charles-simonyi/
- https://www.washington.edu/news/2025/11/18/10-million-gift-from-charles-and-lisa-simonyi-establishes-aiuw-to-advance-artificial-intelligence-and-emerging-technologies/
- https://people.com/all-about-charles-simonyi-microsoft-billionaire-who-dated-martha-stewart-8735900
- https://www.bizjournals.com/seattle/news/2017/04/18/microsoft-acquires-charles-simonyi-s-company.html
- https://www.geekwire.com/2017/moon-trip-billionaire-charles-simonyi/
- https://www.cnbc.com/2020/02/27/microsoft-billionaire-charles-simonyi-still-goes-to-work.html
Changelog
- 2026-01-16VERIFICATION - Upgraded to High confidence; multi-source net worth (Forbes #163 + News Tribune $8.4B + Fox13 $7.2B + Yahoo Finance)
- 2026-01-16Comprehensive enrichment - added Charles Simonyi biography (Microsoft Word/Excel creator, space tourist), wife Lisa Persdotter, children, Intentional Software history, philanthropy focus (UW AI gift 2025, Seattle Symphony), space tourism details
- 2026-01-15Auto-generated from principal Charles Simonyi