Constantine Filin is an angel investor based in Santa Clara, California, United States. The known portfolio is one company, iBuildApp.
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Investment focus
- Stage
- Seed
- Focus
- AndroidLogisticsMarketplacesMobilityRailroadTrucking TechUrban Planning
Contacts
Constantine Filin portfolio company (1)
- iBuildApp
Investor Profile
The listing covers sectors Commerce, SaaS and Travel, and focus areas Android, Logistics, Marketplaces and Mobility. Startups operating in these areas may find Constantine Filin relevant.
The stage tag on this profile is Seed.
The portfolio and focus above give founders context on whether Constantine Filin matches their raise.
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Frequently asked questions
Who is Constantine Filin?
Constantine Filin is an angel investor based in Santa Clara, California, United States with one known investment on file, iBuildApp. The sections above list the sectors and stages attached to that record.
What does Constantine Filin invest in?
Listed sectors include Commerce, SaaS and Travel; listed focus areas include Android, Logistics, Marketplaces and Mobility. 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 Constantine Filin invest at?
The database lists Constantine Filin for 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.
How do I contact Constantine Filin?
An email address, a phone number and a LinkedIn page are on file for Constantine Filin. 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 6 September 2026 · How this data is built · Report a correction or request removal