William H. Gates III

William H. Gates III, Founder, Microsoft. Records, connections and sources from free public data, each linked to where it came from.

Last updated: 8 Nov 2026.

Where it appears in the data

• Insider trades (SEC Forms 3/4/5) (Companies)
• Political contributions (FEC) (People & Money)
• Relationship links (People & Money)
• Profiles · person events (People & Money)
• Social media posts (Feed)
• Writings (People & Money)
• Research · founder alumni (Education)
• Ai Bench · company facts (AI)
• Power network (People & Money)

Founded

• Cascade Investment (Founder)
• Xbox Game Studios (Founder)
• bgC3 (Founder)
• Branded Entertainment Network (Founder)
• TerraPower (Founder)
• Microsoft (Founder)
• Gates Foundation Trust (Founder)
• FWD.us (Founder)

Owns

• Cascade Investment
• Eclipse Aviation
• Branded Entertainment Network
• Canadian National Railway
• Berkshire Hathaway Inc
• Microsoft

Board seats

• Microsoft (Board member, since 1981)
• Cascade Investment (Chair)
• Branded Entertainment Network (Chair)
• Gates Foundation Trust (Chair)

Studied at

• Harvard University (Studied at)

Leads

• Microsoft (Chief executive officer, since 1975)

Charities

• Bill & Melinda Gates Foundation (Board member, since 2024)