John Koretoff
Principal at Icosa Ventures
Austin, Texas
John Koretoff, Principal at Icosa Ventures is an active investor based in Austin, Texas. This profile covers what John Koretoff backs, at which stage, and how founders can reach out in 2026.
John Koretoff is a Principal at Icosa Ventures and Sovar, with substantial work in cybersecurity and AI, and previously held a role at Rubrik.
- Investor type
- VC
- Stages
- Early Stage Venture
- Invests in
- SaaS & EnterpriseArtificial IntelligenceCybersecurity
- Location
- Austin, Texas
- Typical check
- $500K
How to reach John Koretoff
Angels and operators like John Koretoff 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.
Connect with John Koretoff
About this profile
This profile is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise.
Frequently Asked Questions
What does John Koretoff invest in?
John Koretoff invests in SaaS & Enterprise, Artificial Intelligence and Cybersecurity, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does John Koretoff invest at?
John Koretoff typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is John Koretoff's typical check size?
John Koretoff typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.
How do I contact John Koretoff?
Unlock John Koretoff's verified email on Round Funded and send a personalized pitch. We surface only deliverable contacts so your outreach lands.
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.