SANS Instructors

Craig Galley is an information technology professional with accomplished work experience in the security industry since 2001.

Timothy Garcia works as an Information Security Engineer for a Fortune 100 financial institution, where he provides security consulting to project teams to ensure security of IT operations and compliance.

Jess Garcia is the founder and technical lead of One eSecurity, a global Information Security company specialized in Incident Response and Digital Forensics.

Kevin is the IT Security Manager for an international bank, responsible for overseeing incident response, vulnerability management, cyber threat intelligence, as well as the SOC. He has worked at New York Power Authority, JP Morgan and WarnerMedia.

Jaime Geiger is an experienced forward and reverse engineer with a passion for teaching. He currently works in the DC area for Grimm where he enjoys the freedom to do work on software design and implementation, reverse engineering, exploit development, and network administration.

Charles “Charlie” Goldner is a Senior Technical Engineer at Counter Hack. With over two decades of experience working for SANS, the U.S. Army, and the Nevada National Guard, he brings a wealth of public and private sector expertise to the classroom.

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.

Rich is a seasoned cybersecurity professional with over two decades of experience in the cyber domain. He has participated in offensive and defensive cyber operations for the Department of Defense (DoD) in more than 17 countries.

Marcus Guevara is a Texas native and the author of the philosophical book "Hacking Theology". He holds a bachelor's degree in Computer Science and a master's degree in Cybersecurity.

Phil Hagen shaped network forensics with SOF-ELK® and SANS FOR572, setting standards in large-scale log analysis and response. His role in exposing a global fraud ring behind hundreds of millions in losses defines his lasting impact on cybersecurity.

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.

Steven spent 12 years working as an investigator in UK law enforcement. He has received several commendations for catching groups of cyber criminals and improving the way that law enforcement respond to security vulnerability disclosures.