Konstantin Zak
Angel investor in Seattle
Seattle, Washington
Konstantin Zak, Angel investor in Seattle is an active investor based in Seattle, Washington. This profile covers what Konstantin Zak backs, at which stage, and how founders can reach out in 2026.
- Investor type
- Angel
- Stages
- Pre SeedSeed
- Invests in
- Healthcare & BiotechSaaS & EnterpriseConsumer & RetailE-commerce & D2CClimate & EnergyRobotics & AutomationMobility & LogisticsSupply Chain & Logistics
- Location
- Seattle, Washington
- Typical check
- $150K
- Past investments
- 1
Notable investments
How to reach Konstantin Zak
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About this profile
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Cite this page
Round Funded. "Konstantin Zak." Round Funded investor database, updated September 8, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/konstantin-zak
Frequently Asked Questions
What does Konstantin Zak invest in?
Konstantin Zak invests in Healthcare & Biotech, SaaS & Enterprise, Consumer & Retail and E-commerce & D2C, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Konstantin Zak invest at?
Konstantin Zak typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is Konstantin Zak's typical check size?
Konstantin Zak typically writes checks around $150K. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.