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About SANS Cybersecurity Instructors

SANS cybersecurity instructors are world-renowned field practitioners who are committed to preparing and deploying the next generation of cybersecurity professionals through lectures, immersive labs, and interactive discussions. Learn from the best today.

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SANS Instructors

Learn from the Best Cyber Security Experts in the Industry

SANS instructors are committed to providing engaging and positive learning environments that focus on key skills taught through lectures, immersive hands-on labs, and interactive discussions. Not only have these individuals proven their expertise in the field, but they have also demonstrated extraordinary ability to train others to advance their own capabilities. Our top cyber security experts make it possible for SANS and GIAC to deliver on our mission to prepare and deploy the next generation of cyber security professionals.

The SANS Standard for Teaching

Instructor teaching to class

Expert practitioners with years of experience in the industry

Instructor teaching to class

Vetted and trained through a highly-selective instructor development program

Instructor helping student

Passionate about sharing knowledge with the global community

By the Numbers

16+

Average years spent as a cybersecurity practitioner before becoming a SANS-certified instructor.

150+

More than 150 open source cybersecurity tools have been created by SANS instructors.

40+

SANS instructors have authored more than 40 books on information security.

3.5K+

SANS instructors have produced more than 3,500 research papers and webcasts on information security topics.

Providing Real World Expertise

Each of our 120+ SANS Institute instructors is a cybersecurity expert and passionate educator dedicated to strengthening the cybersecurity community with:

Hands-on, cutting-edge courses

Hands-on labs, simulations, and exercises are designed to provide real-world knowledge, ensuring students are immediately prepared to tackle threats in the real world.

Hands-On
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Practical resources and tools

Students gain access to resources and tools to augment training and harden skills.

Resources
Explore Resources

Engaging summits and webcasts

Stay in front of ever-evolving security requirements and threats with SANS summits and webcasts led by industry experts.

Summits
SANS Summits

Featured Instructors

Robert M. Lee

Robert M. Lee

CEO

A former U.S. Air Force cyber warfare officer, Robert led the NSA’s first mission targeting threats to industrial infrastructure. Now at Dragos, he spearheads global defense of critical systems, shaping national policy and industry threat response.

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Nik Alleyne

Nik Alleyne

Director of Business Development

Nik Alleyne has over 20 years of experience in information technology and security. He specializes in Network Forensics and SOC Operations, teaching both SEC503 and SEC504.

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Eric Johnson

Eric Johnson

Principal Security Engineer

Eric is a co-founder and principal security engineer at Puma Security focusing on modern static analysis product development and DevSecOps automation. He is co-author and instructor for three SANS Cloud Security courses.

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Joshua Wright

Joshua Wright

Director & Senior Security Analyst

As Senior Technical Director at Counter Hack and SANS Faculty Fellow, Joshua has advanced cybersecurity through ethical penetration testing, uncovering critical vulnerabilities across Fortune 500 companies and national infrastructure providers.

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Mark Baggett

Mark Baggett

Chief Technology Officer

Mark Baggett has revolutionized cybersecurity through his leadership at SANS. His development of tools like Freq Server has strengthened threat detection, while his work in automation has empowered professionals to defend against evolving threats.

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Chad Tilbury

Chad Tilbury

Principal

As a Special Agent with the Air Force Office of Special Investigations, Chad served on the national computer intrusion team and helped expand counter-espionage techniques. At SANS, Chad is a senior instructor and co-author for FOR500 and FOR508.

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What Students Say About SANS Instructors

  • Slide 1 of 4
    Chad Tilbury continues to impress with his delivery and knowledge. His experience in forensics and expertise with the tools and processes is so helpful to draw from.
    Joshua C.U.S. Military
  • Slide 2 of 4
    Joshua Lemon is amazing. He has the professional experience to significantly enhance and supplement course content, and modernizes all of his examples and information so that the course is immediately relevant to my job.
    Puneet SethiBinary Defense
  • Slide 3 of 4
    Doc was excellent as always. He is knowledgeable, engaging and professional. I am very impressed and would happily recommend [SEC401] and Doc's abilities to anyone wanting to learn cyber security.
    Paul Farthing
  • Slide 4 of 4
    Heather is an outstanding instructor. She is passionate about the topic and is extremely knowledgeable. Best class I have ever taken.
    KoachSPD
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