Brian Jack

CISO at KnowBe4

Brian Jack is currently the Chief Information Security Officer at KnowBe4. Brian has previous experience as a Consultant for Security with LTC Engineering Associates, Lead Security Analyst - Advanced Technology Group with GFI Software, and Software Engineer II with Raytheon. Brian Jack has been in the cyber security field for over ten years and has a wealth of experience in web application development, security and compliance tool development, Python and PHP development, web spiders and screen scrapers scripting, automation engineering, and REST web services.

Brian Jack has a BS in Computer Science from the University of Florida.

Their manager is Stu Sjouwerman, CEO. They work with Colin Murphy - CIO, Steve Lake - SVP, OKR Management, and Lars Lestonoff - Co-President & CRO.


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  • CISO

    Current role

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