Holder has nearly two decades of IT security experience, working as a penetration tester, security researcher, and all-around "breaker of things". He spent 10 years in the U.S. Navy, and led the CCNA/MCSE education courses that submariners went through prior to assuming IT leadership positions within the fleet. He subsequently worked in submarine weapon system R&D for General Dynamics as the security implementation and design lead. For the last five years, he has focused on penetration testing, gap and regulatory assessments (GRC), and security team development. He is currently helping to manage and develop Forsythe's Threat Assessment Program.
