Guy Horowitz
Managing Partner at ESH.vc
San Francisco, California
Guy Horowitz, Managing Partner at ESH.vc is an active investor based in San Francisco, California. This profile covers what Guy Horowitz backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVCPECorporate VCInvestor
- Stages
- Pre SeedSeed
- Invests in
- CybersecurityArtificial IntelligenceMarketing & AdTechAR/VR & MetaverseMedia & ContentIoT & Connected DevicesMarketplaceDeveloper Tools & Data
- Location
- San Francisco, California
- Typical check
- $150K
- Past investments
- 16
Notable investments
MorphisecHuskeys
Dynamic YieldGerman-Israeli Chamber of Industry & Commerce - AHK Israel
Everphone
ShoppimonReplay Technologies - Acquired by Intel (March 2016)
DremioUtilis Ltd.How to reach Guy Horowitz
Angels and operators like Guy Horowitz 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.
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Cite this page
Round Funded. "Guy Horowitz." Round Funded investor database, updated September 9, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/guy-horowitz
Frequently Asked Questions
What does Guy Horowitz invest in?
Guy Horowitz invests in Cybersecurity, Artificial Intelligence, Marketing & AdTech and AR/VR & Metaverse, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Guy Horowitz invest at?
Guy Horowitz typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is Guy Horowitz's typical check size?
Guy Horowitz 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.