Cloudflare, Inc.
Edge Computing and CybersecurityFounded 2009- Updated June 2025
Reviewed by Swet Parvadiya
Last reviewed: June 2025
CorpDigest
Cloudflare, Inc.
Company History
Founded 2009 in San Francisco, California
Last reviewed: 2025-06-08 · By Swet Parvadiya
Founded in 2009 by Matthew Prince, Michelle Zatlyn, and Lee Holloway, Cloudflare operates one of the world's largest networks spanning more than 300 cities. Cloudflare began as a pivot toward turning that insight into a commercial product. Michelle Zatlyn joined as a co-founder, and the team spent the next year building the network architecture that would underpin everything that followed. The flywheel started turning.
Project Galileo, launched in 2013, extended free Cloudflare protection to journalists, civil society organizations, and politically vulnerable websites. The Cloudflare Workers serverless platform, launched in 2017, was the moment the company pivoted from security and CDN toward compute infrastructure.
Matthew Prince serves as the Co-Founder and Chief Executive Officer of Cloudflare, having led the company from its inception as a desperate pivot from a failing email spam filter to the dominant edge network of the global internet. Before Cloudflare, Prince was a lawyer and an entrepreneur who co-founded Project Honeytrap, an anti-spam initiative that mapped the sources of internet email abuse. When the commercial email filtering business failed to gain traction, Prince and his co-founders analyzed the traffic data and realized the underlying proxy network could mitigate DDoS attacks and accelerate web content. Prince led the company through its 2019 direct listing on the NYSE and has consistently driven the strategy to expand Cloudflare from a single-product CDN into a comprehensive Zero Trust and edge computing platform. Under his leadership, the company has maintained a relentless focus on developer experience and network scale, growing annual revenue to over $1.7 billion while achieving free cash flow profitability.
Michelle Zatlyn is the Co-Founder and President of Cloudflare, responsible for overseeing the company's global operations, engineering, and the continuous expansion of its physical network infrastructure. Alongside Matthew Prince, Zatlyn developed the original concept for Project Honeytrap while they were students at Harvard Business School, and she was instrumental in the critical decision to pivot the company's technology from email security to web performance and DDoS mitigation. Zatlyn has led the complex logistical and legal efforts required to negotiate peering agreements and lease space in colocation facilities across 120 countries, building the physical foundation that allows Cloudflare to process over 100 million HTTP requests per second. Her operational leadership has been critical in scaling the company's engineering teams and maintaining the high availability and reliability of the network as it has grown to power roughly 20% of the entire internet.
Lee Holloway joined Cloudflare as one of its earliest engineers and is the technical architect behind the company's core packet-processing capabilities. In the early days of the company, when the sheer volume of traffic from the rapidly growing user base was causing the standard open-source Linux network stack to bottleneck and crash, Holloway wrote L4Drop, a custom kernel module that bypasses the operating system to inspect and filter packets at the hardware interrupt level. This critical piece of engineering allowed Cloudflare to mitigate hyper-scale DDoS attacks and maintain network stability when legacy software would have failed. Holloway's work on the low-level networking stack established the technical foundation for Cloudflare's performance and security advantages, enabling the network to scale to its current capacity of over 330 data centers worldwide.
Matthew Prince, Michelle Zatlyn, and Lee Holloway officially incorporate Cloudflare, pivoting the technology from Project Honeytrap's email spam tracking to a web performance and DDoS mitigation service.
Cloudflare officially launches at TechCrunch Disrupt in San Francisco, signing up over 1,000 websites in the first 24 hours and generating enough traffic to literally crash the company's initial server infrastructure.
Cloudflare launches Project Galileo, providing free, unlimited DDoS protection and security services to thousands of non-profit organizations, museums, and human rights groups, establishing its reputation as the defender of the open internet.
Cloudflare launches Argo Smart Routing, a premium product that uses real-time network telemetry to route traffic around internet congestion and outages, reducing latency by up to 30% and creating a new high-margin revenue stream.
Cloudflare introduces Workers, a serverless computing platform built on the V8 isolates engine, allowing developers to run JavaScript at the edge with millisecond cold start times, marking its entry into the edge compute market.
Cloudflare goes public on the New York Stock Exchange via a direct listing under the ticker NET, bypassing the traditional IPO process and raising no new capital while providing liquidity to existing shareholders at a reference price of $15 per share.
Cloudflare bundles its secure web gateway, cloud access security broker, and zero trust network access products into a single, unified SASE platform called Cloudflare One, fundamentally shifting its go-to-market strategy toward the enterprise.
Cloudflare acquires email security startup Area 1 Security for approximately $162 million, integrating its predictive phishing prevention technology into the Cloudflare One platform to secure the primary attack vector for enterprise breaches.
Cloudflare launches R2, a cloud object storage service built on the S3 API that charges absolutely zero egress fees, a direct strategic disruption of the pricing models used by AWS, Azure, and Google Cloud.
Cloudflare reports fiscal year 2024 revenue of $1.734 billion, representing 28% year-over-year growth, while simultaneously generating over $400 million in free cash flow and achieving sustained non-GAAP profitability.
To integrate predictive email security and phishing prevention capabilities into the Cloudflare One Zero Trust platform, securing the primary attack vector for enterprise breaches.
To allow developers to run third-party tools and microservices on Cloudflare's edge network rather than in the browser, improving website performance and security.
Cloudflare was founded in July 2009 by Matthew Prince, Lee Holloway, and Michelle Zatlyn, emerging from research project at Harvard Business School where Prince and Zatlyn studied internet attacks against websites. The original product idea responded to email spam analysis from 'Project Honey Pot' that Prince had built in 2004, identifying patterns of malicious internet traffic. The founders developed Cloudflare initial concept as platform combining content delivery network (CDN), DDoS protection, web application firewall, and various other capabilities providing comprehensive internet security and performance services. Initial seed funding from Pelion Venture Partners and various other early investors supported building product and initial customer acquisition. The 2019 IPO at $15 per share supported continued expansion, with current $85 billion market cap representing extraordinary stock appreciation through subsequent years.
Cloudflare has scaled to serve approximately 20% of global internet traffic through extensive global network of 300+ data centers across 100+ countries providing content delivery, security, and various other services. The scaling required substantial infrastructure investment including custom-designed server hardware optimized for Cloudflare's specific workloads, fiber optic network connections between data centers, and various other technical capabilities supporting massive-scale operations. Customer base growth from initial founders' research project to current 200,000+ paid customers plus millions of free-tier users demonstrates extraordinary platform growth across 15+ years. Strategic positioning emphasises 'edge' computing where Cloudflare's global network supports faster delivery and security versus centralised cloud computing alternatives. Continued network expansion supports continued competitive positioning and capability building.
Cloudflare experienced substantial COVID-19 acceleration as 2020-2021 shift to remote work and online activity dramatically increased internet traffic, web application usage, and security threats requiring Cloudflare's services. Revenue growth accelerated from $431 million (2020) to $656 million (2021) to $975 million (2022) with continued growth through subsequent periods, demonstrating pandemic-era demand surge across all Cloudflare service categories. Customer adoption included substantial expansion in enterprise customers requiring zero-trust security capabilities supporting remote work environments, plus continued small and medium business growth. Strategic positioning benefited from various trends including continued enterprise cybersecurity investment, edge computing adoption, and various other secular technology trends supporting continued growth potential. Post-COVID normalisation has continued strong growth though at moderated pace versus extraordinary pandemic-era acceleration.
Cloudflare is positioning aggressively for AI infrastructure opportunities through multiple initiatives including Workers AI (serverless AI inference at the edge), AI Gateway (managing AI API calls), Vectorize (vector database for AI applications), and various other AI-focused services launched 2023-2024. The strategic logic targets AI inference deployment versus model training (where Nvidia and hyperscalers dominate), with Cloudflare's global edge network providing low-latency AI inference capabilities supporting various AI applications. Strategic positioning emphasises 'Workers AI' as developer-friendly platform for deploying AI applications without requiring complex infrastructure management. AI-related revenue contribution remains modest currently but represents potentially significant growth area as AI applications proliferate across various industries. Future AI infrastructure success depends on continued capability development, customer adoption, and various competitive dynamics versus established AI infrastructure providers.