Our Faculty

Joshua Wright, Senior Technical Director at Counter Hack Challenges and author of SEC504, has spent over two decades teaching and building tools that help defenders identify and counter real-world cyber threats through practical, hands-on learning.

NVISO co-founder and SANS Senior Instructor, leading cybersecurity education in advanced adversary tactics. Experienced in offensive security with extensive background in penetration testing and ethical hacking across Europe.

With a strong foundation in cybersecurity, marked by a long list of GIAC certifications, Ryan’s expertise and educational approach make him exceptionally qualified to teach and mentor the current and next generation of cybersecurity professionals.

Respected as a world leader among public authorities for cybersecurity, Ciaran Martin is the UK’s National Cyber Security Centre’s (NCSC) founder and former head.

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.

Seth, SANS Faculty Fellow and author of SEC411, LDR414, and SEC511, combines cutting-edge consulting and education to equip defenders worldwide. Founder of Context Security and GSE #28, he brings clarity, humor, and purpose to cybersecurity training.

Ismael is a Senior SANS Instructor and Arctic Wolf VP. Author of SEC530 and a prestigious GSE-certified expert, he blends decades of SOC, threat research, and community contributions to equip defenders with resilient, adversary-aware strategies.

Rich Greene, SANS Senior Solutions Engineer and SEC301 author, brings 20+ years of cyber operations and teaching experience to the classroom. With 15+ GIAC certifications and a passion for mentorship, he equips defenders with real-world confidence and skill.

Jason is currently the Principal Enterprise Security Architect at Tesco. Throughout his career, he has earned over 35 professional certifications.

Sharat Ganesh is the Head of Product Marketing at WitnessAI, a Series A cybersecurity startup working at the intersection of AI and cybersecurity in the San Francisco Bay Area, US.

Jeroen is the security architecture team lead and incident manager at NVISO where he specializes in security architecture, cloud security, and continuous security monitoring.

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.