Roger S. has been serving as Geschäftsführer at STEINAG Rozloch AG since January 2008 and as Mitglied des Verwaltungsrates at MÜLLER-STEINAG Gruppe since May 2010. Roger S. earned a Master of Arts in Management, Wirtschaftswissenschaften from Université de Fribourg - Universität Freiburg between 1999 and 2005.
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