Jan Marek is the co-founder of Cyber Rangers, with over 15 years of dedicated experience in offensive security, red teaming, and penetration testing. A seasoned professional, Jan focuses on uncovering vulnerabilities and strengthening defenses to enhance organizations' security postures. His extensive background spans red teaming engagements, incident response, digital forensics, and security training, equipping him with a comprehensive understanding of the cybersecurity landscape.

Jan holds numerous certifications, including OSEP, OSCP, PNPT, eCPPT, CHFI, CEH, CEI, CompTIA Pentest+, MCSE, and MCSA. His achievements have earned him recognition as a Microsoft Most Valuable Professional (MVP) in Security, underscoring his commitment to both technical expertise and ongoing professional growth. Known for his balanced approach, Jan combines technical rigor with a collaborative attitude, making complex security concepts accessible to teams and clients alike.

Passionate about continuous learning and sharing knowledge, Jan actively contributes to the cybersecurity community, leading training sessions and speaking at conferences. He brings a methodical yet adaptable mindset to each engagement, recognizing that effective cybersecurity requires both technical skill and strategic insight.

Jan’s guiding principle is, “Failure isn’t an option, it’s a choice,” a reflection of his dedication to thoroughness and resilience in all facets of cybersecurity.