Leadership Team

GreatHorn was founded by security industry veterans with decades’ experience protecting organizations and solving complex cybersecurity challenges. Learn more about them below.

Kevin O'Brien
CEO and Co-Founder
Kevin O’Brien
Raymond Wallace III
CTO and Co-Founder
Raymond Wallace III
Arthur Braunstein
Chief Revenue Officer
Arthur Braunstein

James Luciani, Ph.D.

Executive Vice President, Engineering
James Luciani, Ph.D.

Matt Petrosky

Vice President, Product
Matt Petrosky

Ann Sharon

Chief Operations Officer
Ann Sharon
Annie Wacker
Chief Marketing Officer
Annie Wacker
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