Sebastian Bergmann is a co-founder of thePHP.cc and a pioneer in the field of quality assurance in PHP projects. His test framework PHPUnit is a de-facto standard. He is actively involved in the development of PHP and responsible for creating a wide range of tried-and-trusted development tools.

This internationally sought-after expert shares his knowledge and experience through his widely-read books and articles. His presentations at conferences around the world are followed by those in the PHP community and beyond.

In his free time, Sebastian likes to hack on Open Source software and to take photographs, preferably while travelling the world.