An entrepreneur, independent consultant and a trainer in the field of requirements engineering, software testing and quality assurance. Creator and owner of the 'testerzy.pl' website. The longest established (since 2006) blog and portal for polish testers. For the the last ten years he is a tutor of next generations of testers  in Poland. His activities are devoted to teach young people how to become a (better) testers. He is the lecturer at Jagielonian University and other schools, author of publications on software testing and QA including latest books for testing beginners “Zawód tester”. Speaker at both Polish and foreign conferences: Agile and Automation Days, Free Test, CzechTest. etc and open local meetups. The originator and organizer of TestingCup - Polish Championship in Software Testing.