Siegfried Knaus Siegfried Knaus 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.

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Photo credits
Alan Grant is an Irish photographer who travelled extensively in the Balkans and other countries and regions of the world. Thanks to him, ESI is able to show fascinating pictures of the Balkans: the facades of Tirana, the painted mosques of Travnik, the fabulous old houses of Plovdiv and the spectacular blue of water - dark in the Bay of Kotor, emerald in the river valleys of Bosnia, deep blue in Ohrid, twinkling in the Aegean Sea and on the Bosporus.

You can find out more about Alan Grant on his websites:
Jonathan Lewis lives between London and Istanbul. He moved to London and spent many years studying photography and now specialises in photojournalism, documentary photography and commercial work for a wide variety of private and commercial clients in the UK, Europe and Turkey. His work has appeared in a number of magazines and publications and is used on the ESI website as well.

You can find out more about Jonathan Lewis on his website