Christian is a principal software tester with 15+ years of experience in the field. He has successfully held different roles in the context of testing: Test Automation Engineer, Agile Tester, Test Team Lead, Test Project Manager and Exploratory/ Functional/ Manual Tester. During his career he worked with various test (automation) tools such as Cucumber, Selenium, Watir and others using programming languages like Java, Ruby and C#, but also applied certain development/ testing methodologies such as Behaviour Driven Development (BDD) and Acceptance Test Driven Development (ATDD). Furthermore he successfully applied different manual testing techniques, such as Agile Testing, Rapid Software Testing (RST), Black Box Software Testing (BBST), Exploratory Testing (ET) and Session Based Test Management (SBTM) or ISTQB. Christian is strongly driven by his context, always searching for the best fitting solution for a given situation. He´s able to understand business´ and people´s problems, and is always eager to learn and improve himself, while staying curios, open minded and willing to share his knowledge.