An angel investor and operator angel based in San Francisco, California, United States, William Lin has one known investment, Hub.
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Investment focus
- Stage
- Series B
Contacts
William Lin portfolio company (1)
- Hub
Affiliated funds' portfolios
Limited Partner at Ballistic Ventures, whose known portfolio counts 10 companies
- ArmorCode
- Noma Security
- WitnessAI
- Native
- Nudge Security
- UFORCE
- Above Security
- Reveal Technology
- Native Security
- Armadin Security
Investor Profile
The known portfolio sits in sectors AI and SaaS, and focus areas Analytics, Cybersecurity, Developer Tools and Identity Management.
The stage tag on this profile is Series B.
The portfolio and focus above give founders context on whether William Lin matches their raise.
Colleagues at Ballistic Ventures
Phil Venables
Partner
New York, United States
Raffael Marty
Investment Advisor
Austin, United States
Roger Thornton
Investor
Austin, United States
Jake Seid
Co-Founder and General Partner
San Francisco, United States
Ted Schlein
Chairman and General Partner
Menlo Park, United States
Kevin Mandia
Co-Founder and Strategic Partner
Redwood City, United States
Katie A. Glenn
General Partner
Campbell, United States
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Frequently asked questions
Who is William Lin?
William Lin is an angel investor and operator angel based in San Francisco, California, United States with one known investment on file, Hub. The sections above list the sectors, stages and firms attached to that record.
What does William Lin invest in?
Listed sectors include AI and SaaS; listed focus areas include Analytics, Cybersecurity, Developer Tools and Identity Management. 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.
What stage does William Lin invest at?
The database lists William Lin for Series B rounds. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is William Lin listed at?
William Lin is listed as Limited Partner at Ballistic Ventures. 7 other people in the database share a firm with William Lin.
How do I contact William Lin?
An email address, a phone number and a LinkedIn page are on file for William Lin. 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