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Mariusz Czarnecki is an experienced Account Executive and Business Manager at Sii Poland, where involvement spans from April 2016 to the present. In addition to mentoring roles, Mariusz serves as a Board Member for the Poland Chapter of the International Coaching Federation since February 2023. Previous positions include Key Account Manager at First Data Corporation, Management Process Expert at RETILIA Sp. z o.o., and Business Development Manager at Upos System. Mariusz began a career in the IT sector at Geant Polska, holding titles such as IT Project Manager and Warehouse IT Team Leader. Mariusz holds a Master’s degree in Business/Managerial Economics from Zachodniopomorska Szkoła Biznesu and a postgraduate degree in Production Management in Digital Media from Lodz Film School. Mariusz also possesses a diploma of Computer Science Engineer, specializing in Information Technology.