SANS Instructors

Ian has been fortunate enough to have designed, delivered, supported, and fixed systems across the world. He is a GIAC Advisory Board member and currently holds 20+ security certifications.

Clay holds a Bachelor’s and Master's in Computer Science from Southeastern OK State University, as well as a numerous certifications. The highlight of his career has been seeing his students graduate to jobs in software development and security.

With a career spanning 20+ years and has included working in-network design, IP telephony, service development, security and project management, Jonathan has a deep technical background that provides a wealth of knowledge he draws upon when teaching.

Greg Scheidel, SANS Instructor and Chief Cyber Security Officer at ECS, draws on three decades of IT and cyber leadership to show how hands-on defense and strategic decision-making unite to strengthen enterprise security.

James Shewmaker, founder of Bluenotch Corporation, has over two decades of technical experience in IT, primarily developing appliances for automation and security for broadcast radio, internet, and satellite devices.

Peter is a Senior Security Engineer with IBM, and previously worked with both defensive and offensive red teams. He works daily to bring actionable intelligence out of disparate security devices for customers, making systems interoperable.

David has 10+ years of professional experience in penetration testing, red teaming, vulnerability assessment and management, security monitoring, security architecture design, incident response, digital forensics, and software development.

Brian Ventura, a Partner at Cyverity, an information security consulting firm specializing in governance, focuses on enterprise information security governance, risk, and compliance.

A visionary OT security leader, SANS Principal Instructor, and USMC veteran, Don co-authored ICS613 and teaches ICS410. He translates years of frontline experience into safer, practical methods to empower defenders protecting critical infrastructure.

Lee is a Principal for the Forensics Practice at Charles River Associates. He has covered a wide array of situations during his time as a forensic investigator, including child abuse, intellectual property theft, attempted murder, and much more.

Donald has extensive experience in incident handling, intrusion analysis, and network auditing, and is a retired veteran with the U.S. Army.

Eric has redefined digital forensics with open-source tools like KAPE, now global standards for cybercrime investigations. He has directly enabled faster evidence analysis, rescued exploited children, and set new benchmarks in forensic response.