An angel investor and operator angel based in Seattle, Washington, United States, Steve Hissong has 12 known investments: Redfin, ZoomInfo, Avalanche Technology, Infinia, Omeros, SiOnyx, About.com, PTC Therapeutics, Evri, AltaRock Energy, Smith & Tinker and ZILKHA BIOMASS.
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Investment focus
- Stage
- Seed
Contacts
Steve Hissong portfolio companies (12)
- Redfin
- ZoomInfo
- Avalanche Technology
- Infinia
- Omeros
- SiOnyx
- About.com
- PTC Therapeutics
- Evri
- AltaRock Energy
- Smith & Tinker
- ZILKHA BIOMASS
Investor Profile
The known portfolio sits in sectors FinTech, Healthcare, Real Estate and SaaS, and focus areas Clean Energy, Enterprise SaaS, HR Tech and Life Science.
Stage-wise, the known deals cluster around Seed rounds.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
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Frequently asked questions
Who is Steve Hissong?
Steve Hissong is an angel investor and operator angel based in Seattle, Washington, United States with 12 known investments on file, among them Redfin, ZoomInfo and Avalanche Technology. The sections above list the sectors and stages attached to that record.
What does Steve Hissong invest in?
Listed sectors include FinTech, Healthcare, Real Estate and SaaS; listed focus areas include Clean Energy, Enterprise SaaS, HR Tech and Life Science. 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 Steve Hissong invest at?
The known deals of Steve Hissong 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.
How do I contact Steve Hissong?
An email address, a phone number and a LinkedIn page are on file for Steve Hissong. 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