Marian Celuch is a Senior Application Development Consultant at AT&T Global Services, bringing extensive experience in IT management and engineering. Previously, Marian managed network operations teams and led development for various projects, supporting major clients such as Shell. With a Master's degree in computers and networks from Technická univerzita v Košiciach, Marian is known for strong problem-solving skills and effective communication across organizational levels. Marian's career reflects a commitment to delivering results in diverse, multifunctional environments.
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