Stefan Windisch Senior Cash Manager - Treasury Operations, Roche Stefan Windisch has been working at F. Hoffmann-La Roche Ltd. in Switzerland since 2009 in several Finance roles. Since 2012 he is working in Treasury Operations as Senior Cash Manager, overseeing the European region, its bank relationships and is responsible for the Groups short term liquidity planning. Prior to Roche he worked as Controller for a FMCG company and a leasing company in UK and Germany.