GrackerAI

Top Founders & CEOs

Founders and CEOs of cybersecurity companies from seed to late stage. Filter by stage, technical background, and focus area.

10 curated entries· Updated quarterly

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Nikesh Arora

Santa Clara, USA

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Nikesh Arora has served as Chairman and CEO of Palo Alto Networks since June 2018, driving its transformation into a platform-first security leader with three major pillars: network security, cloud security (Prisma) and AI-driven security operations (Cortex).

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Jay Chaudhry

San Jose, USA

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Jay Chaudhry is the founder, Chairman and CEO of Zscaler, a publicly traded zero-trust cloud security company he founded in 2007. A serial entrepreneur, he previously founded and exited SecureIT, AirDefense, CipherTrust and CoreHarbor.

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George Kurtz

Austin, USA

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George Kurtz is co-founder, President and CEO of CrowdStrike, the cloud-native endpoint protection and XDR company he co-founded in 2012. CrowdStrike went public on Nasdaq in 2019 (CRWD) and is one of the world's largest pure-play cybersecurity companies.

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Assaf Rappaport

New York, USA

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Assaf Rappaport is co-founder and CEO of Wiz, the cloud security platform he founded in 2020. Wiz became the fastest SaaS company to reach $100M, $500M and $1B in ARR. In March 2026, Google completed its $32B all-cash acquisition of Wiz.

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Sumit Dhawan

Sunnyvale, USA

Sumit Dhawan has been CEO of Proofpoint since November 2023, leading a global workforce of 4,500+ employees focused on email security, insider threat, data loss prevention and compliance. Proofpoint is owned by Thoma Bravo after a $12.3B take-private in 2021.

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Kevin Mandia

Washington, USA

Kevin Mandia is the founder of Mandiant, former CEO of FireEye/Mandiant, and currently a General Partner at Ballistic Ventures. In 2026 he is also CEO of Armadin, an AI-focused cybersecurity company that launched with $189.9M in seed and Series A funding.

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Yevgeny Dibrov

San Francisco, USA

Yevgeny Dibrov is co-founder and long-time CEO of Armis, the cyber exposure management and unmanaged/IoT device security company he co-founded in 2015. Armis was acquired by Insight Partners in 2020 and subsequently by ServiceNow in 2026.

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Shlomo Kramer

Tel Aviv, Israel

Shlomo Kramer is co-founder and CEO of Cato Networks, the SASE platform he founded in 2015. Cato surpassed $350M in ARR in 2025. Kramer previously co-founded Check Point Software in 1993 and Imperva in 2002, giving him a rare track record of building three multi-billion-dollar cybersecurity companies.

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Kyle Hanslovan

Ellicott City, USA

Kyle Hanslovan is co-founder and CEO of Huntress, the managed security platform he co-founded in 2015. Huntress protects more than 200,000 businesses, 4 million endpoints and 10 million identities. Hanslovan is a former NSA and Air Force offensive cyber operator.

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Ken Xie

Sunnyvale, USA

Ken Xie is founder, Chairman and CEO of Fortinet, the publicly traded network security company he co-founded in 2000. Fortinet is one of the largest cybersecurity companies globally by revenue. Xie previously founded NetScreen (acquired by Juniper for $4B) and SIS.

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