Sébastien Wolniewicz is currently the Directeur des opérations for Retail at Worldline Mobility & e-Transactional Services, where they manage a team of over 100 individuals and oversee digital services for nine major accounts, including a responsibility for a budget exceeding 22 million euros. Previously, from 2009 to 2013, they served as a project director in the Retail sector at Worldline by Atos, focusing on operational efficiency and service development. Wolniewicz has also held roles in department management and software engineering across various sectors, including banking and transportation. They are pursuing a Diplôme d’Études Universitaires Scientifiques et Techniques in Computer Science at the Conservatoire National des Arts et Métiers.
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