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Palo Alto Networks Announces Retirement of Nir Zuk, Founder and CTO
Nir Zuk retires after 20 years, with Lee Klarich taking over as CTO amid a $25 billion CyberArk acquisition and annualized revenue surpassing $10 billion, Palo Alto Networks said.
- On August 18, 2025, Palo Alto Networks announced Nir Zuk retired as CTO and board member, with Lee Klarich appointed to succeed him and join the board.
- Zuk established Palo Alto Networks in 2005 and played a key role for over two decades in advancing next-generation firewall technology and transforming the cybersecurity sector.
- Klarich, a long-standing member of Palo Alto Networks since its early years, will oversee the company's technology strategy and the development of AI-enhanced security solutions.
- Palo Alto Networks CEO Nikesh Arora praised Zuk for his significant impact on cybersecurity and expressed strong confidence in Klarich’s abilities as a remarkable technologist to lead the company forward.
- Zuk’s retirement marks the end of an era as Palo Alto strengthens growth with its recent $25 billion CyberArk acquisition, indicating continued leadership in cybersecurity innovation.
31 Articles
31 Articles
Palo Alto Networks founder Nir Zuk steps down after more than 20 years
Zuk, who also served as chief technology officer, steps down less than a month after company acquired Israeli cybersecurity firm CyberArk for $25 billion, the second-largest exit in Israeli high-tech history
Zuk steps down: Israeli cybersecurity pioneer leaves Palo Alto
Nir Zuk, Israeli founder of Palo Alto Networks and an IDF veteran, retires after 20 years. The cybersecurity visionary, who pioneered the next-gen firewall, hands off his CTO role to Lee Klarich, marking a new chapter for the company.
The Billings Gazette
Palo Alto Networks Announces Retirement of Nir Zuk, Founder and CTO
Taps founding team member and longtime product chief Lee Klarich as CTO and Board Member to succeed Zuk
Palo Alto Networks Founder and CTO Retires After 20-Year Tenure
Palo Alto Networks announced a significant leadership transition as founder and Chief Technology Officer Nir Zuk steps down after two decades of pioneering cybersecurity innovation. The global cybersecurity leader has appointed longtime executive Lee Klarich as the new CTO and… Read more → The post Palo Alto Networks Founder and CTO Retires After 20-Year Tenure appeared first on IT Security News.
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