Contact persons   Management   Contact information  Contact persons Telephone exchange: +358 20 741 0160 Sales and Marketing Michael Weichert Sales Engineer Tel. +358 40 482 0120 michael.weichert(at)winwind.fi Sourcing sourcing(at)winwind.fi Invoicing Jaana Ojala Financial Assistant Tel. +358 400 830 308 jaana.ojala(at)winwind.fi Management Sari Närvä-Riitala Executive Assistant Tel. +358 50 502 3748 sari.narva-riitala(at)winwind.fi Human Resources Management career(at)winwind.fi Feedback Outi Hänninen Process Development Engineer Tel. 040 756 2991 outi.hanninen(at)winwind.fi