Eyal Gruner

Eyal Gruner

Active Investor

Angel investor in Boston

Boston, Massachusetts

Eyal Gruner, Angel investor in Boston is an active investor based in Boston, Massachusetts. This profile covers what Eyal Gruner backs, at which stage, and how founders can reach out in 2026.

Mr. Eyal Gruner is a Co-Founder and Board Member at Cynet. He served as Chief Executive Officer at Cynet. He also serves as a Board Member at Cycode. He is also an angel investor. He is a Co-founder and serves as an Advisor & Board Member at Cymulate. He is also a Co-Founder and former Chief Executive Officer at BugSec, Israel's leading cyber consultancy, and Versafe, which was acquired by F5 Networks in 2013. He joined the bank's Information Security team for a year before spending another year at age 16 working at the former Aladdin Knowledge Systems. He founded BugSec in 2005. He has been recognized in Google's Hall of Fame with a Google Security Reward for identifying and reporting vulnerabilities.

Investor type
Angel
Stages
Early Stage VentureSeedSeries A
Invests in
Cybersecurity
Location
Boston, Massachusetts
Typical check
$500K
Past investments
4

Notable investments

CymulateCycodeCyclops Securitybuild.security

How to reach Eyal Gruner

Angels and operators like Eyal Gruner 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 Accelerator.

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Frequently Asked Questions

What does Eyal Gruner invest in?

Eyal Gruner invests in Cybersecurity, typically at Early Stage Venture, Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.

What stage does Eyal Gruner invest at?

Eyal Gruner typically invests at Early Stage Venture, Seed and Series A. Lead with traction that fits the stage when you reach out.

What is Eyal Gruner's typical check size?

Eyal Gruner typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.

How do I contact Eyal Gruner?

Unlock Eyal Gruner's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.

Application closes in --:--:--
Email Eyal Gruner