Founders and CEOs of cybersecurity companies from seed to late stage. Filter by stage, technical background, and focus area.
Founders & CEOs 19
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San Francisco, USA
Deepak Gupta is a repeat cybersecurity founder: he built identity platform LoginRadius, which scaled to serve 1B+ end users, and now runs GrackerAI, a Generative Engine Optimization platform for B2B cybersecurity vendors.
Santa Clara, USA
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).
San Jose, USA
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.
Austin, USA
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.
New York, USA
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.
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.
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.
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.
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.
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.
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.
Mountain View, USA
Tomer Weingarten co-founded SentinelOne in 2013 and has led it as CEO since inception, building the AI-native endpoint and XDR vendor into a multibillion-dollar public company (NYSE: S).
Santa Clara, USA
Sanjay Beri co-founded Netskope in 2012 and has been CEO since inception, building it into a SASE/SSE leader that is now public and serves a large share of the Fortune 100.
San Francisco, USA
Matthew Prince co-founded Cloudflare in 2009 and has been CEO since inception, taking it public in 2019 and building it into a leading internet security and infrastructure company.
San Francisco, USA
Evan Reiser co-founded Abnormal Security (now Abnormal AI) in 2018 and serves as CEO, building it into a multibillion-dollar AI-native email and human-behavior security company trusted by thousands of organizations.
Dallas, USA
Mike Fey co-founded Island and serves as CEO, pioneering the enterprise browser category and scaling the company to a multibillion-dollar valuation in roughly five years.
San Francisco, USA
Christina Cacioppo co-founded Vanta in 2018 and is CEO, scaling the trust-management and compliance-automation platform to thousands of customers and a multibillion-dollar valuation.
Hoboken, USA
Mickey Bresman co-founded Semperis in 2014 and serves as CEO, building it into a leader in identity protection and Active Directory / Entra ID security and recovery.
San Diego, USA
Adam Markowitz co-founded Drata in 2021 and is CEO, growing the trust-management and compliance-automation platform to thousands of global customers as one of the fastest-growing software companies.
FAQs
Founders and CEOs from seed through late-stage, filtered by funding stage, technical background, and focus area, useful for investor sourcing, press outreach, and founder peer networking.
In cybersecurity, the founder is often the company's primary spokesperson and analyst-relations contact, so founder visibility is itself a core part of the marketing and GTM function.
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