Eyüp Çelik, known for his 17+ years of experience and work in the cyber security world, has made a name in the field of cyber security by managing many defense and hacking groups.Continuing to work in the field of cyber security since the 90’s, Eyüp Çelik's areas of expertise include system, network infrastructure, database structures, software and the web. Eyüp Çelik, who has more than 10 years of experience in C, C# and similar languages, develops cyber security tools on the .NET platform and presents it to the open source world by sharing them on his personal blog. Çelik, who continued his professional career as a white hat hacker after 2006, led the white hat hacker, defense and R&D teams in Turkey's most important information technology, forensic analysis and information security firms. At the same time, he added value to the cyber security sector by participating in more than 200 conferences in many different universities and instutions as a trainer and lecturer. He also gives lectures on Cyber Security as a Lecturer at Beykoz University.Eyüp Çelik, known for his mentor identity to university students through free trainings, conferences and other like studies, continues to provide training in ethical hacking, web security, advanced penetration tests, defense systems security and many similar subjects in the leading educational institutions of our country. In Turkey's leading consulting firms, Çelik have taken the most important steps in his career, has offered cyber security consulting and training services to many public institutions and critical institutions in the private sector with the title of Cyber Security and R&D Director. Çelik, who uses his spare time with professional photography, continues to write information security research articles and coding open-code cyber security tools at eyupcelik.com.tr, which he published to support students. As of 2018, Çelik has aimed to bring a different perspective to the cyber security sector by founding Privia Security and Kodia companies and acts as Privia Security’s CEO. At the same time, Eyüp Çelik, who is in the developer and consultant staff of the PriviaHub Cyber Range Platform, develops solutions to the problem of insufficiency of classical education approaches in cyber security. Çelik proceeds to provide services in cyber security consultancy, R&D and training to the most valuable public, military and private sector companies in Turkey.