He waited nearly 20 years to start a company. Now he's the cofounder of a double unicorn.

Sep 05, 2026 04:50 PM - 53 minutes ago 1

The CEO of Horizon3, an AI hacking startup, smiles. He is wearing a acheronian blue-gray blazer complete a ray colored button-down shirt

Snehal Antani became a cofounder successful his precocious 30s. His AI hacking startup, Horizon3, now has a marketplace worth supra $2 billion. Courtesy of Horizon3

Earlier this month, the AI hacking startup Horizon3 achieved a uncommon milestone: a $250 cardinal backing information pushed its marketplace valuation supra $2 billion, making it a alleged double unicorn.

CEO Snehal Antani said he spent astir 2 decades acquiring the skills he needed to build the business, which simulates cyberattacks connected companies' systems to place vulnerabilities earlier real hackers can utilization them. The knowledge he gained turned retired to beryllium crucial, first erstwhile the tech backing marketplace tightened and, later, erstwhile the slope wherever Horizon3 held each its money collapsed.

"I wanted to make judge I built the correct experiences," Antani, now 46, told Business Insider.

After graduating from college, he said he learned astir launching products astatine IBM, organizational guidance astatine GE Capital, scaling a hypergrowth institution astatine package shaper Splunk, and activity astatine the US Joint Special Operations Command, aliases JSOC. It was besides astatine JSOC wherever Antani met Air Force seasoned Anthony Pillitiere, his Horizon3 cofounder.

A different path

Antani's way runs antagonistic to the acquainted Silicon Valley image of the college-dropout founder, embodied by figures for illustration Mark Zuckerberg and Bill Gates, who started Facebook and Microsoft, respectively, arsenic teenagers. Yet investigation suggests successful founders are often older than startup-culture stereotypes imply. An MIT Sloan study published successful 2020 analyzed 2.7 cardinal US entrepreneurs and recovered that the mean property of founders down the fastest-growing 0.1% of caller ventures was 45.

For Antani, the worth of a later commencement was quickly put to the test. Three years aft he founded Horizon3 successful 2019, the tech backing situation abruptly changed, and the institution abruptly had to make the rate it had raised past overmuch longer than planned.

Antani said he recalled a instruction from the CEO of 1 of his erstwhile employers astir really to upwind an economical downturn: Rather than trim your measurement done it, waste your measurement done it. He said Horizon3 did both. The institution recovered astir $3 cardinal successful costs to trim aliases redirect, including changes to benefits, hiring plans, and different operating expenses. Then it reinvested that money successful income and marketing, which Antani said helped turn gross astir fivefold twelvemonth complete year.

Flirting pinch disaster

In 2023, Horizon3 came person to disaster. As Silicon Valley Bank was collapsing, Antani said he sewage a matter from an investor asking really overmuch of the startup's money was held there. His answer: "100%."

By the clip national regulators took it over, Horizon3 had opened an relationship astatine different bank. But its costs successful Silicon Valley Bank were frozen, and missing payroll could person triggered astir $750,000 a time successful California penalties — enough, Antani said, to put the institution retired of business wrong a week.

To forestall that from happening, Antani said he drew $1 cardinal from a individual statement of credit. He and his executive squad past agreed to show labor what was happening and what they were doing astir it.

After regulators restored entree to Horizon3's Silicon Valley Bank funds, the institution repaid Antani. He said the section put to usage the leadership lessons he learned astatine JSOC, peculiarly the value of dealing pinch crises.

"It's each astir being steady, calm, controlled," he said. "You can't beryllium panicked."

One learning curve

For each the acquisition Antani brought to Horizon3, location was 1 portion of the founder's occupation he had ne'er done before: fundraising. To flooded that gap, he said he treated his early investor meetings arsenic a clang course, many times refining his transportation deck, financial model, and marketplace lawsuit successful consequence to the questions he was asked.

"The first time, you benignant of suck," said Antani. "You person to put successful being a bully storyteller."

After dozens of investor meetings, Antani said he mastered his transportation and received 2 term sheets, 1 of which he chose for Horizon3's $3.5 cardinal seed information — the venture-capital patient SignalFire. (The company's latest raise was co-led by NightDragon and NEA.)

Today, Horizon3 is acold larger than the mini squad Antani started with, made up of erstwhile intelligence, typical operations, and endeavor package veterans — mostly group he knew done his past work. The company, 1 of the earliest companies to bring the conception of an AI hacker to market, has astir 7,000 customers globally and 550 employees. Antani said the acquisition he gained crossed different companies, roles, and environments made that possible.

"You don't want to study really to woody pinch HR issues for the first clip arsenic a founder," he said. "You want to person learned that worldly up of time."

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Sarah E. Needleman covers activity and the workplace for Business Insider.Previously, she was a newsman for The Wall Street Journal for much than 2 decades, covering exertion companies, entrepreneurship, and recruiting.In 2022, Sarah received an honorable mention pinch WSJ colleagues for their sum of workplace misconduct astatine Activision Blizzard from the Society for Advancing Business Editing and Writing.Sarah graduated from Rutgers University successful 1997 pinch a bachelor's grade successful journalism. She lives pinch her husband, daughter, and fur kid (an Australian labradoodle) successful bluish New Jersey.

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