John Stigerwalt is a red team-focused security professional and founder with nine years of hands-on experience advancing from IT helpdesk roles to leading penetration testing engagements. He runs White Knight Labs while concurrently serving as Red Team Lead at eClinicalWorks, blending entrepreneurial drive with enterprise security leadership. His background includes senior consulting roles at F-Secure and VDA Labs and practical experience securing healthcare and financial environments. Known for creative, out-of-the-box attack emulation, he helps organizations find and remediate real-world vulnerabilities before adversaries do. Outside work he balances high-adrenaline pursuits like skydiving and martial arts with active participation in the infosec community and continuous learning. This mix of operational experience, consulting breadth, and a founder’s mindset gives him a pragmatic perspective on strengthening defenses at scale.
8 years of coding experience
2 years of employment as a software developer
IT Security Specialist, IT Security Specialist at Pennsylvania College of Technology
High School Computer/Information Technology Administration and Management, High School Computer/Information Technology Administration and Management at Crawford County Career and Technical Center
Bachelor’s Degree Security Emphasis, Bachelor’s Degree Security Emphasis at Western Governors University
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