Stephan studied physics, wrote his diploma thesis about holography and then joined an oceanography group at the University of Bremen.
In 2001 he started in software development by joining the test team for an object-oriented database system. He never left software testing, specialised in automated software tests and agile methods.
He worked on topics as diverse as precision navigation systems, micro payment platforms, healthcare related systems, telecommunication, social networks, logistics and energy providers
Working in these different fields helped him recognizing common patterns, which he found useful in software testing.
Languages (in alphabetical order): English, German, Ruby