Sebastian Bergmann has created the industry-leading testing tool PHPUnit, which has played a vital role in professionalizing software development with PHP. Sebastian shares his comprehensive experience in publications and at conferences. As Co-Founder and Principal Consultant of The PHP Consulting Company (thePHP.cc), he helps teams with introducing PHPUnit, making better use of PHPUnit, improving development processes, and writing code that is easier to test. In his free time, Sebastian contributes to Open Source, plays board games, and enjoys retrocomputing with his Amiga 1200.