Fortinet vs Microsoft: Founders, CEOs and History
Fortinet was founded in 2000 by Ken Xie, Michael Xie and is led by Ken Xie. Microsoft was founded in 1975 by Bill Gates, Paul Allen and is led by Satya Nadella.
Company facts
Founders
Fortinet
Ken Xie
Ken Xie co-founded Fortinet in 2000 with his brother Michael and has led it as Chairman and CEO since. Before Fortinet he co-founded NetScreen Technologies, a hardware-accelerated firewall company that Juniper Networks acquired in 2004 for about $4 billion.
Michael Xie
Michael Xie co-founded Fortinet with his brother Ken Xie in 2000 and serves as President and Chief Technology Officer. He oversees engineering, including the FortiOS operating system and the FortiASIC processors that accelerate FortiGate firewalls.
Microsoft
Bill Gates
Microsoft was founded in 1975 in Albuquerque, New Mexico, by Bill Gates and Paul Allen, childhood friends from Seattle who had spent their teenage years finding ways to get free time on mainframe computers.
Paul Allen
Paul Allen co-founded Microsoft and was crucial to its earliest technical and strategic decisions. He helped develop Altair BASIC, gave the company its original name, and participated in the operating-system opportunity that led to MS-DOS.
CEOs and their tenures
Fortinet
- Ken Xie2000–present
Founder, Chairman and Chief Executive Officer
Xie is widely recognized as one of the most successful and enduring pioneers of the modern cybersecurity industry.
Source - Michael Xie2000–present
Co-Founder, President and Chief Technology Officer
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.
Source - Christiane Ohlgart2023–present
Chief Financial Officer
Serving as interim CFO, she steered the company through a severe, highly volatile period of plunging hardware sales, aggressively pushing the company's transition toward higher-margin software and services revenue.
Source
Microsoft
- Bill Gates1975–2000
Co-founder and CEO
Gates built Microsoft's licensing model: software sold to many hardware makers rather than tied to one.
Source - Steve Ballmer2000–2014
CEO
Ballmer grew revenue from about $23 billion in FY2000 to about $78 billion in FY2013 and built the enterprise server and sales business that Azure later scaled on.
Source - Satya Nadella2014–present
Chairman and CEO
Nadella made Azure and Microsoft 365 the company's core, opened Microsoft to Linux and open source, and positioned it early in generative AI through OpenAI.
Source
Timeline: Fortinet and Microsoft side by side
1975Microsoft
Microsoft Founded
Bill Gates and Paul Allen founded Microsoft after recognizing that the Altair 8800 needed usable programming software. Their first product, Altair BASIC, turned a hobbyist computer kit into a programmable platform.
1981Microsoft
MS-DOS Ships With IBM PC
IBM introduced its personal computer with MS-DOS 1.0 and other Microsoft products. The milestone mattered because Microsoft's operating-system work moved from a small software supplier's project into the emerging corporate PC standard.
1985Microsoft
Windows Launch
The release of Windows 1.0 began Microsoft's long move from command-line operating systems to graphical personal computing. The first version was not an instant blockbuster, but it gave Microsoft a user-interface path that could evolve with PC hardware.
1986Microsoft
Microsoft IPO
Microsoft went public on the Nasdaq in March 1986.
1990Microsoft
Office Suite Release
The bundling of Word, Excel, and PowerPoint into Microsoft Office created a productivity suite that became central to business work. The bundle simplified enterprise purchasing and made file compatibility a competitive weapon.
1995Microsoft
Windows 95 Released
Microsoft released Windows 95 in August 1995.
1998Microsoft
U.S. Antitrust Case
The U.S. Department of Justice accused Microsoft of using Windows power to suppress browser competition. The case mattered because it placed Microsoft's platform tactics under public and legal scrutiny at the height of its PC strong position.
2000Fortinet
Fortinet Founded
Ken Xie and Michael Xie founded Fortinet to build high-performance network security products.
2002Fortinet
FortiGate Launch
The FortiGate appliance family established Fortinet's firewall-led product identity.
2009Fortinet
IPO
Fortinet went public, giving the company access to capital for global enterprise expansion.
2010Microsoft
Azure Commercial Launch
Azure gave Microsoft a way to compete in cloud infrastructure as enterprise customers began shifting workloads away from company-owned servers.
2012Fortinet
Acquired XDN
Fortinet acquired XDN. Fortinet acquired XDN in 2012.
2013Fortinet
Acquired Coyote Point
Fortinet acquired Coyote Point. Fortinet acquired Coyote Point in 2013.
2014Microsoft
Satya Nadella CEO
Satya Nadella became CEO and moved Microsoft away from a strategy that forced every product to serve Windows. He prioritized Azure, Microsoft 365, open source, Linux support, cross-platform software, and a more collaborative developer posture.
2015Fortinet
Acquired Meru Networks
Fortinet acquired Meru Networks. Fortinet acquired Meru Networks in 2015.
2016Microsoft
LinkedIn Acquisition
Microsoft agreed to acquire LinkedIn in 2016 for $26.2 billion in cash. The deal mattered because it added a professional identity network to a company already strong in Office, Dynamics, cloud services, recruiting tools, advertising, and enterprise sales.
2018Microsoft
GitHub Acquisition
Microsoft acquired GitHub for $7.5 billion in stock, reversing years of developer skepticism toward the company. The acquisition placed Microsoft inside the daily workflow of software developers across languages, clouds, and operating systems.
2019Fortinet
Security Fabric Expansion
Fortinet broadened from firewalls into integrated secure networking, endpoint, cloud, and operations products.
2023Microsoft
AI Leadership
Microsoft's expanded OpenAI partnership and Copilot product rollout placed the company at the center of enterprise generative AI adoption.
2023Microsoft
Activision Blizzard Acquisition Closes
Microsoft completed the Activision Blizzard acquisition after intense regulatory review. The deal added Call of Duty, World of Warcraft, Diablo, Overwatch, Candy Crush, and other franchises to Microsoft Gaming.
2024Fortinet
Lacework and Next DLP Acquisitions
Fortinet bought cloud-security firm Lacework and data-loss-prevention vendor Next DLP.
2025Fortinet
Service Revenue Reaches Two-Thirds of Sales
FY2025 service revenue reached $4.5812B, or 67 percent of total revenue.
2026Fortinet
Refresh-Driven Acceleration
Q2 2026 revenue rose 26% to $2.05B and 2026 revenue guidance was raised to $8.02-$8.18B.
Acquisitions
Fortinet
- Everest2025Undisclosed
- Lacework2024Undisclosed
- Next DLP2024Undisclosed
- ShieldX2021Undisclosed
- Sken.Ai2021Undisclosed
- OPAQ Networks2020Undisclosed
Microsoft
- Activision Blizzard2023$68.7B
- Nuance Communications2022$19.7B
- ZeniMax Media2021$7.5B
- GitHub2018$7.5B
- LinkedIn2016$26.2B
Questions about Fortinet vs Microsoft
Who is the CEO of Fortinet, Inc. and Microsoft Corporation?
Fortinet, Inc. is led by Ken Xie and Microsoft Corporation is led by Satya Nadella. Both serve as the top executive responsible for the company's strategy, operations, and financial performance.
When was Fortinet, Inc. founded vs Microsoft Corporation?
Microsoft Corporation was founded in 1975 — 25 years before Fortinet, Inc., which was founded in 2000. Microsoft Corporation's longer operating history gives it a deeper track record but also potentially more institutional inertia compared to the younger Fortinet, Inc..
How many employees does Fortinet, Inc. have compared to Microsoft Corporation?
Fortinet, Inc. employs approximately 15,109 people, while Microsoft Corporation employs approximately 223,000. Microsoft Corporation has the larger workforce at 223,000 employees, compared to Fortinet, Inc.'s 15,109. A higher headcount does not necessarily imply greater efficiency — it often reflects differences in business model (e.g., manufacturing vs. software).
Where are Fortinet, Inc. and Microsoft Corporation headquartered?
Both Fortinet, Inc. and Microsoft Corporation are headquartered in United States, meaning they operate under the same primary regulatory and tax environment.
Who founded Fortinet, Inc. and Microsoft Corporation?
Fortinet, Inc. was founded by Ken Xie, Michael Xie. Microsoft Corporation was founded by Bill Gates, Paul Allen.
Which company has a longer operating history — Fortinet, Inc. or Microsoft Corporation?
Microsoft Corporation has been operating for approximately 51 years, making it the more established of the two companies. Fortinet, Inc. has been in operation for around 26 years. A longer operating history often signals greater institutional resilience and brand recognition, though it can also mean slower adaptation to new market conditions.
Figures come from each company's filings and the sources linked beside them. Amounts reported in another currency are shown in US dollars at an approximate rate and marked with ~. Back to the Fortinet vs Microsoft overview