F5, Inc.
F5 delivers and secures every application and API wherever it runs. It provides application delivery, traffic management, security, networking, and AI security across on-premises, cloud, edge, and hybrid multicloud environments.
At a Glance
- Large enterprises
- Fortune 500 and Global 500 organizations
- Financial services
- Healthcare
- +5 more
AI Tools by F5, Inc.
(1)
F5 AI Guardrails
Runtime Security for AI Apps
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Latest News
F5 and Oracle collaborate to strengthen application security in the AI era
F5 reports Q4 and FY2026 results with 23% product revenue growth and authorizes an additional $1.5 billion in share repurchases
F5 and Telenor partner to build the AI service plane for sovereign AI on NVIDIA-powered infrastructure
Indosat and F5 launch Intelligence Suite/token factory to unlock AI across Asia
Products & Services
Converged platform combining application delivery, high-performance load balancing and traffic management with application and API security.
High-performance application delivery and security family for enterprise and service-provider legacy, monolithic, and client-server applications; available as systems, software, subscription, and perpetual offerings.
Cloud-native web server, load balancer, reverse proxy, API gateway, cache, WAF, and Kubernetes ingress capabilities for modern applications and APIs.
SaaS-based application delivery, security, networking, CDN, WAF, bot management, DDoS protection, and multicloud connectivity.
Market Position
F5 positions itself as a broad application delivery and security platform spanning on-premises, hybrid multicloud, edge, and AI environments. Its 2025 10-K says BIG-IP competes with Citrix and Broadcom, while NGINX competes with AWS, Google Cloud Platform, Envoy, and HAProxy; F5 differentiates through enterprise-grade reliability and breadth combined with cloud-native agility, security, and manageability.
Leadership
Founders
Jeff Hussey
Investment banker who became F5 Labs' CEO; later founded and led Tempered Networks.
Mike Almquist
Former University of Washington Human Interface Technology Lab software-group leader and founder of Ambiente; became F5's CTO.
Adam Feuer
Entrepreneur who worked with Almquist on the ocean-floor visualization concept and became F5 Labs' VP of Engineering.
Executive Team
François Locoh-Donou
Chairman, President, & CEO
Joined F5 in 2017; previously COO and product, sales, and marketing executive at Ciena; earlier R&D roles at Photonetics.
Kunal Anand
Chief Product Officer
Previously CTO and CISO at Imperva; co-founded Prevoty, acquired by Imperva; earlier roles at BBC Worldwide, Gravity, MySpace, and NASA JPL.
Board of Directors
Founding Story
Almquist, Feuer, and Hussey initially explored software for 3D ocean-floor maps, but concluded that market was too small. They pivoted to the internet's server bottleneck: an intelligent, high-speed load-balancing switch that could make many inexpensive computers perform like one large computer. They formed Virtual Softworks, renamed it F5 Labs, raised $1 million, and built the BIG/ip product.
Business Model
Revenue Model
Sells packaged software through perpetual, subscription, and usage-based consumption models; SaaS and managed services through subscription and usage-based models; high-performance hardware systems; and maintenance, consulting, training, and technical support services.
Pricing Tiers
Subscription access to F5 solutions.
Consumption-based buying program.
Perpetual software licensing, with support and services available.
Target Markets
- Large enterprises
- Fortune 500 and Global 500 organizations
- Financial services
- Healthcare
- E-commerce
- Public sector and government
- Securing and accelerating enterprise applications and APIs
- Hybrid multicloud application delivery and traffic management
- Modernizing legacy applications and data centers
- Cloud-native and Kubernetes application delivery
- Web application, API, bot, DDoS, and zero-trust security
- Telecom, 5G/6G, and service-provider networking
- More than 80% of the Fortune 500 rely on F5
- Rackspace Technologies
- DocuSign
- Tower Records