Lesó Mátyás is the Head of Core IT Operation Office at Yettel.Hungary, where they oversee backend systems including billing, data warehouse, and call processing. Previously, they served as an IT Release Manager and Business Support System Expert at Yettel.Hungary. Lesó's career also includes roles as a Business Support Systems Expert and Senior Business Support System Specialist at Telenor Common Operation, where they focused on technical management and automated testing. They earned a Master's degree in Technical Management from Magyar Agrár- és Élettudományi Egyetem and a degree in Business Information Technology from Budapest Business School.
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