Roger A. Grimes is a Data-Driven Defense Evangelist at KnowBe4. He is a 30-year computer security professional, author of 13 books and over 1,200 national magazine articles. He frequently consults with the world’s largest and smallest companies, and militaries, and he has seen what does and doesn’t work. Grimes was a weekly security columnist for InfoWorld and CSO magazines from 2005 - 2019. He regularly presents at national computer security conferences, and has been interviewed by national magazines and radio shows, including Newsweek magazine and NPR’s All Things Considered. Roger is known for his often contrarian, fact-filled viewpoints.