Siegfried Knaus (Austria) studied business economics, with a focus on Revision and trusteeship, at the Vienna Economics University. Subsequent to his studies he was tasked by the municipality of Vienna to develop a concept for changing the city’s accounting system into a computer-based one. For 14 years, he has worked as a systems analyst, software and sales manager for various international companies such as Nixdorf and Ericsson. Following a management-buy out he ran his own company for a decade, specialising in software, printing solutions, network solutions and system interfaces. Since 2004 he has advised ESI and since 2007 he works part-time on financial administration issues for ESI.