Radosław is an independent trainer and consultant on requirements engineering and software quality testing and assurance. A tester and test manager, he is a testing expert, training others in software testing and requirements analysis. Radosław holds the ISTQB Foundation and Advanced Level certificates. He is the owner of the testerzy.pl and wymagania.net services, a co-founder of testcompetence.com, testy.org.pl, and ITtraining.pl. He has also authored publications on testing and quality assurance. He speaks at Polish and international tester conferences, such as SJSI, PTI, SQAM, Free Test and Czech Test. Radosław also acts as ambassador for the largest conferences: EuroSTAR and Agile Testing Days. He is the originator and organiser of Testing Cup – the Polish Software Testing Championship. A certified ISTQB specialist, he has translated the ISTQB Advanced syllabus. He has acquired his professional experience, working for companies, such as Volvo IT, BenQ, Siemens and Bombardier Transportation.