Mike Koss

Mike Koss

Active Investor

Angel investor in Seattle

Seattle, Washington

Mike Koss, Angel investor in Seattle is an active investor based in Seattle, Washington. This profile covers what Mike Koss backs, at which stage, and how founders can reach out in 2026.

Investor type
Angel
Stages
Seed
Invests in
SaaS & Enterprise
Location
Seattle, Washington
Typical check
$250K
Past investments
4

Notable investments

Museum of FlightFavesRescueTimeStartPad.org

How to reach Mike Koss

Angels and operators like Mike Koss reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded Accelerator.

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Frequently Asked Questions

What does Mike Koss invest in?

Mike Koss invests in SaaS & Enterprise, typically at Seed. Match your sector and stage, then reach out with a personalized pitch.

What stage does Mike Koss invest at?

Mike Koss typically invests at Seed. Lead with traction that fits the stage when you reach out.

What is Mike Koss's typical check size?

Mike Koss typically writes checks around $250K. Use it as a signal for whether your raise fits their stage.

How do I contact Mike Koss?

Unlock Mike Koss's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.

Application closes in --:--:--
Email Mike Koss