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About
Guy Horowitz has 22 years in cybersecurity and infrastructure, founded Deutsche Telekom’s investment office in Israel, and speaks globally on cyber risk while bridging European, Israeli and US security ecosystems.
Invests in
CybersecurityDeveloper Tools
Investments
Investor
Bagel AIDynamic YieldMesh Security
Per curated public sources.
Colleagues at 33N
Network1
Investors connected to Guy in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Guy Horowitz?
- Guy Horowitz has 22 years in cybersecurity and infrastructure, founded Deutsche Telekom’s investment office in Israel, and speaks globally on cyber risk while bridging European, Israeli and US security ecosystems.
- Where does Guy Horowitz work?
- Guy Horowitz is Venture Partner at 33N.
- What does Guy Horowitz invest in?
- Guy Horowitz invests in Cybersecurity, Developer Tools.
- What check size does Guy Horowitz write?
- Guy Horowitz typically writes checks of $4.3M – $13M.
- What companies has Guy Horowitz invested in?
- Investments tracked here include Bagel AI, Dynamic Yield, Mesh Security.
About this profile. Compiled from public sources — 33N's own website and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights