Skip to main content

Leadership History

Fortinet: CEO History

2 leaders · 2000 to present

Who is the CEO of Fortinet?

Ken Xie is the CEO of Fortinet, in the role since 2000.

Current CEO
Ken Xie (since 2000)
Leaders documented
3
Founded
2000
NameRoleFromToYears in role
Ken XieFounder, Chairman and Chief Executive Officer2000Present26
Michael XieCo-Founder, President and Chief Technology Officer2000Present26

Company Overview

Fortinet, based in Sunnyvale, California, is one of the largest network-security vendors in the world. It is best known for FortiGate next-generation firewalls, which sit at the edge of branch, campus, data-center and cloud networks and inspect traffic for threats. Around that hardware it has built a broad "Security Fabric" covering SD-WAN, SASE, switching, wireless, endpoint, email, cloud and security operations. Unlike most cybersecurity peers, Fortinet designs its own chips, and unlike many hardware companies it earns two-thirds of revenue from recurring services.

Fortinet makes money in two ways. First, it sells products: FortiGate firewalls (physical appliances and virtual/cloud versions), plus switches, Wi-Fi access points and other secure-networking hardware and software licenses. Product revenue was $2.22 billion, or 33% of FY2025 sales. Second, and more importantly, it sells services attached to that installed base: FortiGuard threat-intelligence subscriptions, FortiCare support, Unified SASE, security operations (SecOps) and other SaaS. Services brought in $4.58 billion, or 67% of FY2025 revenue. Most sales go through distributors, resellers, MSSPs and carriers rather than a direct sales force. Because FortiGate also does routing and SD-WAN, a retailer or bank can deploy one box per branch instead of separate networking and security appliances, which is the core of Fortinet's "convergence of networking and security" pitch.

Ken Xie

Founder, Chairman and Chief Executive Officer

2000 – Present

26 years (current)

Key Decisions & Impact

As the founder, Ken Xie shaped Fortinet's unique technological trajectory. Drawing on his previous experience founding NetScreen Technologies, he made the crucial, foundational decision to invest heavily in developing proprietary custom silicon (ASICs) rather than relying on standard computer processors to run his security software. He recognized early on that as network speeds increased exponentially, off-the-shelf chips would eventually become a severe bottleneck for security inspections. He also championed the development of the 'Security Fabric,' an integrated platform designed to consolidate multiple disparate security functions into a single, manageable system.

Legacy

Xie is widely recognized as one of the most successful and enduring pioneers of the modern cybersecurity industry. His steady commitment to hardware innovation provided Fortinet with a nearly insurmountable performance-to-cost advantage that allowed the company to consistently undercut larger, more established rivals. Under his continuous leadership spanning more than two decades, Fortinet has grown from a specialized firewall vendor into a globally dominant, multi-billion-dollar cybersecurity leader.

Michael Xie

Co-Founder, President and Chief Technology Officer

2000 – Present

26 years (current)

Key Decisions & Impact

Led development of FortiOS and Fortinet's custom ASIC security processors.

Legacy

Co-founded Fortinet with his brother Ken Xie in 2000 and has served as President and CTO, directing engineering and the custom silicon that differentiates FortiGate.

Other senior executives

These officers report to the chief executive and are not part of the CEO timeline above.

  • Christiane Ohlgart, Chief Financial Officer (2023 – present)Ohlgart managed the incredibly difficult financial guidance resets as massive enterprise customers abruptly stopped hoarding firewall hardware following the end of the post-pandemic supply chain panic.Source →

Challenges & Strategic Context

Fortinet competes with Palo Alto Networks, Cisco, Check Point, Juniper (now part of HPE), Zscaler, Cloudflare, Netskope, CrowdStrike and Microsoft. Its product revenue is tied to hardware refresh cycles, as the 2023-2024 slowdown showed, and its FortiOS and SSL-VPN products have repeatedly had vulnerabilities exploited by attackers, prompting government advisories.

Fortinet CEO and Leadership FAQ

Who is the CEO of Fortinet?

Ken Xie, co-founder, Chairman and CEO since the company was founded in 2000.

Who is Ken Xie and what was his founding journey as CEO of Fortinet?

Ken Xie is the Chairman and Chief Executive Officer of Fortinet. A cybersecurity pioneer, Xie co-founded NetScreen Technologies, a hardware-accelerated firewall company Juniper bought in 2004 for about $4 billion. In 2000, he co-founded Fortinet with his brother Michael Xie, building it into a global S&P 500 cybersecurity leader.

What technical role does Co-founder, President, and CTO Michael Xie play?

Michael Xie is the chief technical architect of Fortinet. An electrical and computer engineer, Michael designed Fortinet's custom ASIC chips (SPUs), architected FortiOS, and directs global cybersecurity engineering and R&D.

What leadership philosophy does CEO Ken Xie champion at Fortinet?

Ken Xie champions engineering excellence, proprietary silicon innovation, long-term capital discipline, sustainable profitable growth, and a customer-first focus, believing that true cybersecurity requires hardware-accelerated processing to inspect all network traffic without latency.

What executive leadership team manages Fortinet alongside the Xie brothers?

Alongside Ken Xie (Chairman and CEO) and Michael Xie (President and CTO), Christiane Ohlgart serves as Chief Financial Officer and presents quarterly results and guidance.

Related Leadership Timelines

Compare executive leadership tenures and strategic transitions

Content is for informational purposes only. Not financial advice. Data sourced from SEC filings, annual reports, and public records. See our full disclaimer and methodology.