An angel investor based in Seattle, Washington, United States, John Williams has 3 known investments: Alcatraz AI, Certify Data Systems and Rain Technologies.
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Investment focus
Contacts
John Williams portfolio companies (3)
- Alcatraz AI
- Certify Data Systems
- Rain Technologies
Affiliated funds' portfolios
Retired at Duke Capital Partners, whose known portfolio counts 10 companies
- NewLimit
- Superb AI
- Sidecar Health
- Ozette Technologies
- getxerpa
- Four Points Innovation
- In-Video Impressions
- MoneyComb
- PranaQ
- Talented
Investor Profile
The listing covers sectors Education and SaaS, and focus areas EdTech and Higher Ed. Startups operating in these areas may find John Williams relevant.
The portfolio and focus above give founders context on whether John Williams matches their raise.
Colleagues at Duke Capital Partners
Jason Scott
EIR/Professor of the practice
Brooklyn, United States
Pamela Hawley
Board Member
San Francisco, United States
Cassie Young
Board Member, Duke Innovation & Entrepreneurship
New York, United States
Nancy-Ann DeParle
Member Board of Trustees
Chevy Chase, United States
Eric Toone
Professor of Chemistry (Emeritus)
Raleigh, United States
Tre' Scott
Board of Visitors - Trinity College of Arts & Sciences
New York, United States
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Frequently asked questions
Who is John Williams?
John Williams is an angel investor based in Seattle, Washington, United States with 3 known investments on file, among them Alcatraz AI, Certify Data Systems and Rain Technologies. The sections above list the sectors and firms attached to that record.
What does John Williams invest in?
Listed sectors include Education and SaaS; listed focus areas include EdTech and Higher Ed. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
Which firm is John Williams listed at?
John Williams is listed as Retired at Duke Capital Partners. 6 other people in the database share a firm with John Williams.
How do I contact John Williams?
An email address, a phone number and a LinkedIn page are on file for John Williams. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal