Istvan Vonnak
About
Istvan Vonnak is from Székesfehérvár, Fejér, Hungary. Istvan is currently Commodity Manager at Mitsubishi Chemical Europe, located in Hungary. In Istvan's previous role as a Head of Purchasing at Diatron Medical Instruments, Istvan worked in Budapest, Hungary until Oct 2023. Prior to joining Diatron Medical Instruments, Istvan was a Logistics and Purchasing Manager at Mitsubishi Chemical Europe and held the position of Logistics and Purchasing Manager at Szigetszentmiklós, Pest, Hungary. Prior to that, Istvan was a Strategic Buyer at PHILIPS IPSC Tamási Ltd, based in Tamási, Hungary from Jan 2011 to Jan 2016. Istvan started working as Logistics and Purchasing Leader at Siemens in Gönyü, Hungary in Jan 2008.
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