Constantine Filin
Angel investor in Santa Clara
Santa Clara, California
Constantine Filin, Angel investor in Santa Clara is an active investor based in Santa Clara, California. This profile covers what Constantine Filin backs, at which stage, and how founders can reach out in 2026.
- Investor type
- Angel
- Stages
- Seed
- Invests in
- Mobility & LogisticsMarketplaceMarketing & AdTech
- Location
- Santa Clara, California
- Typical check
- $250K
- Past investments
- 1
Notable investments
How to reach Constantine Filin
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Frequently Asked Questions
What does Constantine Filin invest in?
Constantine Filin invests in Mobility & Logistics, Marketplace and Marketing & AdTech, typically at Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Constantine Filin invest at?
Constantine Filin typically invests at Seed. Lead with traction that fits the stage when you reach out.
What is Constantine Filin's typical check size?
Constantine Filin typically writes checks around $250K. Use it as a signal for whether your raise fits their stage.
How do I contact Constantine Filin?
Unlock Constantine Filin's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.