SANS Instructors

Jon Gorenflo has strengthened cybersecurity through leadership in pen testing, incident response, and security engineering. His dedication to mentoring and knowledge-sharing has empowered professionals and enhanced defenses industry-wide.

Ron is a retired US Air Force officer and enlisted person with over 30 years of experience in information technology and information assurance, from software development and system administration to security analysis and security operations.

Jason is a digital forensics, incident response, and cybercrime investigation specialist. He began his career in the early development of the discipline, when he combined his love for computers and technology with his role as a police detective.

Josh leads global MDR at Uptycs, defending major international brands, while also serving as an independent DFIR expert advising legal, government, and commercial clients in Australia.

James Leyte-Vidal, GSE #209, has shaped offensive cybersecurity through decades of frontline innovation, authoring Ethical Password Cracking and leading Fortune 100 InfoSec teams to elevate global cyber defense.

Jeff McJunkin, Rogue Valley InfoSec founder, has led Fortune 100 pen tests and shaped Core NetWars. His key role in SANS Holiday Hack Challenge and hands-on security innovations continue to elevate the industry, advancing defenses worldwide.

Timothy McKenzie redefined offensive security through decades of Red and Purple Team operations, advancing the industry’s threat simulation standards and influencing thousands of cybersecurity professionals with his adversary emulation strategies.

David has been a network engineer, consultant, security designer and architect, author, and technical instructor since the early 1980s and has specialized in IT security and compliance work in the recent years.

My-Ngoc Nguyen is the CEO/Principal Consultant for Secured IT Solutions. She brings 25 years of experience in information systems and technology, with over 20 years focused on cyber security for both the government and commercial sectors.

Jorge Orchilles currently serves as a Senior Director at Verizon, where he leads the Readiness and Proactive Security Team. His team specializes in Exposure & Vulnerability Management, Penetration Testing, Red Team, Purple Team, and AI Red Team.

Dean Parsons, CEO of ICS Defense Force, teaches ICS515 and co-authors ICS418, emphasizing ICS-specific detection, incident response, and security programs that support OT operations—aligning practitioners and leaders on clear, defensible action.

With 30 years in cyber and intelligence operations, Chris Pizor teaches SEC504 and SEC497 to help students master OSINT techniques, incident response, and hands-on defense skills shaped by real-world missions.