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With more than two decades of marketing and communications experience, O’Leary is widely regarded as an expert storyteller who has built powerhouse brands for some of the most respected companies in cybersecurity. Most recently, she served as chief marketing officer at Cybereason, where she and her team positioned the company as an endpoint security leader. She was also chief marketing officer at Capsule8, a pioneer in cloud workload protection, which was acquired by Sophos. O’Leary co-founded InkHouse Marketing+Media, a public relations agency (now part of Berlin-Rosen), where she advised on hundreds of company and product launches, initial public offerings (IPOs), and exits.

At Tenable, O’Leary will lead the company’s global marketing organization, driving brand awareness, messaging and positioning, go-to-market strategy and demand generation for the entire platform.