James C. Foster is an angel investor and operator angel based in Washington, District of Columbia, United States. The known portfolio counts 5 companies: Twiage, Wonder Sciences, Boxer, Inc., Cont3ntcom and ThreatWave (bounceio).
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Investment focus
- Stage
- Seed
- Focus
- Computer VisionCybersecurityDigital MediaE-CommerceInformation SecurityMarketplacesMediaProductivityVideo
Contacts
James C. Foster portfolio companies (5)
- Twiage
- Wonder Sciences
- Boxer, Inc.
- Cont3ntcom
- ThreatWave (bounceio)
Affiliated funds' portfolios
Operating Partner at NightDragon, whose known portfolio counts 11 companies
- HawkEye 360
- Dataminr
- Starfish Space
- Forterra
- Classiq Technologies
- Epirus
- Saronic
- Rhombus Systems
- Human Security
- Onapsis
- Interos
Investor Profile
The listing covers sectors Commerce and SaaS, and focus areas Computer Vision, Cybersecurity, Digital Media and E-Commerce. Startups operating in these areas may find James C. Foster relevant.
Stage-wise, the known deals cluster around Seed rounds.
The portfolio and focus above give founders context on whether James C. Foster matches their raise.
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Frequently asked questions
Who is James C. Foster?
James C. Foster is an angel investor and operator angel based in Washington, District of Columbia, United States with 5 known investments on file, among them Twiage, Wonder Sciences and Boxer, Inc. The sections above list the sectors, stages and firms attached to that record.
What does James C. Foster invest in?
Listed sectors include Commerce and SaaS; listed focus areas include Computer Vision, Cybersecurity, Digital Media and E-Commerce. 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 James C. Foster invest at?
The known deals of James C. Foster include Seed 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 James C. Foster listed at?
James C. Foster is listed as Operating Partner at NightDragon. 4 other people in the database share a firm with James C. Foster.
How do I contact James C. Foster?
An email address, a phone number and a LinkedIn page are on file for James C. Foster. 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