Cybersecurity unicorn Armis hires first CLO ahead of planned IPO

Efraim Harari joins fast-growing company in Palo Alto from listed network security player SentinelOne

Efraim Harari Image courtesy of Armis

Fast-growing cybersecurity unicorn Armis has hired Efraim Harari in Palo Alto as its first chief legal officer as it prepares to go public.

Harari has joined the company from Californian network security business SentinelOne, which he helped to take public two years ago, and earlier had senior legal roles at companies including Samepage and Zendesk. 

Armis – which was valued at $3.4bn in 2021 when it last raised funding – said Harari’s hire comes as the company strengthens its corporate governance operational function ahead of its own planned initial public offering. 

"As a fast-growing company, Armis often explores uncharted territory, assessing opportunities and risk in pursuit of larger ambitions," said CEO and co-founder, Yevgeny Dibrov. “The legal function is centric to these efforts, so we're thrilled to have Efi join our team as the head of our legal department. His experience over his nearly two-decade-long career – especially the critical role he played in taking both SentinelOne and Zendesk public – make him a key, strategic hire.”

Harari most recently served as chief of staff and earlier as CLO at SentinelOne, where he was responsible for building teams and functions as well as playing an instrumental role in the company’s IPO. Before that he was VP of legal and business affairs at Samepage, GC for Kerio Technologies and director, senior corporate counsel at Zendesk. He began his career in private practice at Clifford Chance and Jones Day. 

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In his new role, Harari is expected to develop Armis' legal operations, ensure top-notch legal support to all functional teams, support the closure of Fortune 100 deals and boost the company's overall preparedness to meet its strategic goals. 

“Armis continues to grow at a rapid clip and gain recognition as a market-leading cybersecurity company,” Harari said. “It is an honour to be a part of a company that protects organisations and individuals from malicious actors every day."

Armis’ asset visibility and security services are used by customers including Takeda Pharmaceuticals, Colgate-Palmolive, DocuSign and The company’s revenue increased by 1,101% between 2018 and 2021, when Deloitte recognised it as on of the 25 fastest-growing tech companies in North America. 

The company announced last month that it had annual recurring revenue of more than $100m, with Dibrov telling CTech the company intended to reach $200m within a year. 

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