Ankur
Singla

The man who sold a company before most founders write their pitch deck

On March 21, 2012, Ankur Singla incorporated Contrail Systems. Nine months later, Juniper Networks wrote a check for $176 million to acquire it. The company had barely celebrated its first birthday when it was gone - and Singla was already onto the next thing. That kind of velocity is not luck. It is pattern recognition sharpened to a blade.

Singla - Stanford-trained electrical engineer, former CTO of Aruba Networks, and now the architect of Exaforce - has spent two decades at the infrastructure layer of enterprise technology. He doesn't build products. He builds platforms that industries didn't know they needed, then sells them to the companies that suddenly can't live without them.

Today, he is mid-stride on his third act. Exaforce, the agentic AI-driven Security Operations platform he founded in 2023, raised $125 million at a $725 million valuation in May 2026. It follows the $75 million Series A from April 2025. The total: $200 million raised in just over two years. The speed, the backers (Khosla, Mayfield, Peak XV, HarbourVest), the trajectory - all familiar to anyone who has watched Singla operate before.

The SDN pioneer who turned a networking thesis into a $176M check

Before Contrail, Singla was CTO at Aruba Networks. He understood networks at a deep technical level - not the "configure the firewall" kind of understanding, but the kind that sees where the architecture itself is going to break.

In 2012, he saw it breaking. Traditional networking was about to collide with telecom's hunger for network virtualization - what the industry would come to call NFV (Network Function Virtualization) and SDN (Software-Defined Networking). Contrail Systems was his answer: a platform that let enterprises and carriers program their networks in software rather than configure physical hardware.

Juniper Networks recognized what Singla had built before the market had words for it. Nine months after Contrail was incorporated, Juniper paid $176 million - a signal that sometimes the best time to sell is when you've already proven the thesis but haven't yet proven the scale. Singla stayed at Juniper to lead the Contrail division until 2017, shipping the product he'd invented into the hands of global telcos.

From telco SDN to edge computing: how Volterra became a $500M exit

After five years running Contrail at Juniper, Singla left in 2017 with a new thesis. The cloud was fragmenting. Applications were moving to the edge of networks - to CDNs, regional clouds, on-premise infrastructure - and there was no single platform that could treat all of these as one coherent surface. That gap became Volterra.

Volterra built what Singla called the "first universal edge-as-a-service platform for distributed cloud services." The pitch was that the edge wasn't a location - it was a layer, and enterprises needed a way to run applications across it with the same ease as a public cloud. By 2019, Volterra had emerged from stealth with $50 million raised and 30 customers. By 2020, it had grown 300% year-over-year.

F5 Networks, a company whose core business was application delivery and security, saw in Volterra what Juniper had seen in Contrail: a platform that solved a problem F5 couldn't solve organically. In January 2021, F5 acquired Volterra for approximately $500 million - $440 million in cash plus $60 million in deferred consideration. Singla and his team joined F5, where he served as SVP/GM of the Security Products Group before transitioning to an advisory role in late 2022.

Exaforce: where agentic AI meets the Security Operations Center

The Security Operations Center - the SOC - is where enterprises watch for threats in real time. It is also, famously, a grind. Security analysts wade through thousands of alerts per shift, most of them false positives, hunting for the handful that represent real attacks. Burnout is endemic. Staffing gaps are systemic. And the attacks keep getting faster.

Singla founded Exaforce in 2023 with a specific claim: he could give security defenders a 10x productivity advantage using agentic AI. Not a chatbot on top of a SIEM. Not another dashboard. A platform - with a real-time knowledge graph, behavioral models, semantic search, and autonomous AI agents (called Exabots) that investigate, triage, and respond alongside human analysts.

The architecture matters here. Exaforce's multi-model AI engine blends large language models with semantic and behavioral models. The real-time knowledge graph gives AI agents complete context about identities, cloud infrastructure, network behavior, and threat intelligence from the moment an alert fires. Security engineers and AI agents share the same investigation surface - they see the same data, the same visualizations, the same context.

By April 2025, Exaforce had exited stealth with $75 million in Series A funding from Khosla Ventures, Mayfield, Thomvest Ventures, and Touring Capital. The company had been quietly running with 10 or more enterprise customers across technology, AI software, energy, and manufacturing before it made a public sound. Among its customers: Replit and Guardant Health.

Three platform shifts, correctly called, each time before the market had a name for it

Look at the sequence: SDN/NFV in 2012, before "software-defined networking" was a phrase in standard enterprise vocabulary. Edge-as-a-service in 2017, before "edge computing" was a pillar of cloud strategy. Agentic AI for SOC in 2023, before "agentic" was a marketing word. Singla doesn't just time markets. He names them.

The investors agree. Mayfield has backed him across multiple companies. Khosla Ventures and Peak XV joined the Exaforce cap table, bringing institutional weight that signals this is not just a repeat founder riding momentum - it's a thesis that top-tier LPs believe in independently.

What makes Singla distinct is not simply that he picks right. It's that each platform he builds is genuinely complete at the time of exit. Contrail wasn't a demo - Juniper ran it into production across global telcos. Volterra wasn't a prototype - F5 built their edge strategy around it. Exaforce, by the time of its Series B, was already processing millions of security investigations for enterprise customers. He builds real things.

The AI SOC platform that security teams work in, not just get alerted by

The distinction Singla keeps making is subtle but central: Exaforce is not another AI layer. Enterprise security teams are already drowning in AI-generated alerts from half a dozen tools. Adding another LLM on top of a SIEM is not a solution - it's more noise with a friendly interface.

Exaforce's approach starts differently: a real-time knowledge graph that integrates data from across the enterprise - cloud infrastructure, identity systems, network behavior, SaaS activity, threat intelligence feeds. That graph gives Exabots (the platform's autonomous AI agents) full context from the moment an alert fires. No hand-off delay. No context switching. The agent that investigates an alert already knows who the user is, what's normal for them, what cloud resources they touch, and what similar patterns have looked like in the past.

The claim is 10x productivity for security teams. That means fewer analysts burning hours on false positives, faster response to real threats, and a platform that scales with the sophistication of the attacks - including, explicitly, AI-powered attacks. The Series B announcement was framed around "real-time security reasoning" at global scale, with a new Tokyo office and MDR (Managed Detection and Response) team for Japanese enterprise customers.

Board member, photonics builder, repeat architect of enterprise infrastructure

Running a $725M company does not appear to be Singla's entire schedule. Alongside Exaforce, he serves as Founder and Executive Chairman of Lumilens, an advanced photonics company - a signal that his interests extend past software into hardware and optics. He also holds board seats at Accton, LottieFiles, and Borneo.

The picture that emerges is not a founder who disappears into each company and emerges blinking when it's sold. It's someone who treats company-building as a portfolio of bets on technology inflection points, each one informed by deep engineering intuition and maintained through an active network of repeat investors, operators, and co-founders.

His Medium publication (@asingla77) and his personal site (ankursingla.com) reflect the thinking of someone who writes about technology with the confidence of a practitioner, not a pundit. The ideas come from the work. The work reflects the ideas.