Stu Sjouwerman is founder and CEO of KnowBe4 [NASDAQ: KNBE], developer of security awareness training and simulated phishing platforms, with 41,000 customers and more than 25 million users. He was co-founder of Sunbelt Software, the anti-malware software company acquired in 2010. He is the author of four books, including “Cyberheist: The Biggest Financial Threat Facing American Businesses.” He can be reached at ssjouwerman@knowbe4.com.