Dariusz is Cisco Certified Systems Instructor (CCSI) for over 10 years and Cisco Certified Academy Instructor (CCAI) for over 11 years. He is a freelance instructor and teaches Cisco courses on Associate and Professional levels mostly in EMEA region. He become and Instructor after successful carrier in networking and IT industry (over 20 years of experience). Dariusz holds Cisco CCNP R&S , CCNA R&S, CCNA Security and CCDA certificates as well as Fortinet NSE4 and CopTIA Cloud Essentials certificates.