Alex Callihan

Chief Technology Officer

Alex Callihan serves as a seasoned technology executive with over 15 years of software engineering and leadership experience, currently driving product innovation and leading the next generation of agentic research and development. He demonstrates a strong background in scaling technical capabilities and maintains a proven record of building and managing high-performing engineering teams. Throughout his career, Callihan has contributed to growth in cybersecurity defense, with a renewed focus on pioneering solutions against advanced threats like prompt injection, shadow AI, and social engineering.

Role & Responsibilities at KnowBe4: Callihan leads the research and development of AI-driven workforce security products as Chief Technology Officer at KnowBe4.

Past experience:

  • SVP Engineering at KnowBe4, serving in the engineering organization for nearly a decade and instrumentally scaling the company’s technical capabilities.
  • Engineering Strategist at Embarc Collective.
  • Site Reliability Engineer at Malwarebytes.
  • Senior Cloud Engineer at ConnectWise.

Education:

  • Bachelor of Science in Information Science from the University of North Carolina at Chapel Hill
  • AWS Certified Solutions Architect - Professional
  • AWS Certified DevOps Engineer - Professional
  • AWS Certified Security - Specialty