Responsible for business strategy and management of CLICO’s technical department. He has 20 years of experience in leading project and security audits. He received CISSP, CCISO, and PRINCE2 Practitioner certificates. Mariusz leads (ISC)2 and EC-Council seminars in Poland as an instructor. He graduated with Ph.D. from Military University in Warsaw for his doctoral thesis about analysis and design of security measures in computer networks. Author of many papers in both polish and international IT journals and 6 books about IT security. Senior Member of ISSA Poland.