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.
John Koretoff invests in SaaS & Enterprise, Artificial Intelligence and Cybersecurity, typically at Early Stage Venture.
- Location
- Austin, Texas
- Typical check
- $500K
What does John Koretoff invest in?
- Investor type
- VC
- Stages
- Early Stage Venture
Where is John Koretoff based?
John Koretoff is based in Austin, Texas.
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How to reach John Koretoff
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About this profile
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Cite this page
Round Funded. "John Koretoff." Round Funded investor database, updated September 22, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/john-koretoff
Frequently Asked Questions
Who is John Koretoff?
John Koretoff, Principal at Icosa Ventures is an active investor based in Austin, Texas. John Koretoff invests in SaaS & Enterprise, Artificial Intelligence and Cybersecurity, typically at Early Stage Venture.
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.
Where is John Koretoff based?
John Koretoff is based in Austin, Texas.
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.
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