Leadership

Founder & CEO
Jason Garbis is a Zero Trust leader, security advisor, author, and CEO of Numberline Security. He helps organizations move beyond Zero Trust theory and build practical, actionable strategies that reduce risk, improve resilience, and create a clear path to execution.
Jason is co-author of Zero Trust Security: An Enterprise Guide with Jerry Chapman and co-chair of the Cloud Security Alliance Zero Trust Working Group. Known for his hands-on experience and pragmatic approach, he works with security leaders to assess readiness, define priorities, develop Zero Trust blueprints, and operationalize security transformation across complex enterprise environments.
At Numberline Security, Jason focuses on Zero Trust strategy, blueprint and best practices development, security transformation, partner enablement, and enterprise advisory services.

Co-Founder & CTO
Jerry Chapman is a Zero Trust leader, security architect, author, and Chief Technology Officer at Numberline Security. He helps organizations translate Zero Trust strategy into practical, actionable security architecture that can be implemented in real-world enterprise environments.
A security industry veteran, Jerry brings deep expertise across enterprise security, identity, access, infrastructure, and Zero Trust operating models. He is co-author of Zero Trust Security: An Enterprise Guide with Jason Garbis and co-chair of the Zero Trust Working Group at the Cloud Security Alliance. At Numberline Security, Jerry helps organizations assess readiness, define priorities, develop blueprints, and build realistic paths to Zero Trust execution.
