Top Founders & CEOs

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).

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.

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.

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.

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.

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.

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.

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.

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.

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.

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).

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.

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.

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.

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.

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.

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.

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.