Mateusz is a Senior IT Security Consultant at SecuRing. His key responsibilities are: web and mobile application penetration testing, network infrastructure security assesment, and source code review. He previously worked as a software developer building software for the financial sector. He was a speaker at Polish conferences and meetings dedicated to quality assurance and security. Since 2011, he is a board member of the OWASP Poland Local Chapter and co-organizer of chapter meetings.