Benno has been bouncing around the IT industry for decades. Starting off as a system/network admin he moved into software engineering and has worked at every level of the stack from early boot code through kernel and device drivers into low-level server code all the way via backend code to frontend Javascript. After spending the last few years working on FreeBSD for companies both small and large he's now working for Yubico on various aspects of their security tokens and supporting bits and pieces.