Guillermo Oller is currently the Host Network Manager at AT&T Argentina, where they lead a team of 33 individuals supporting Mainframe systems interconnection. Previously, from 2002 to 2008, they held various leadership roles at IBM Argentina, including Network Services Delivery Team Leader. Guillermo's extensive experience in network services spans from 1981 to 2008, showcasing a strong background in team leadership and delivery management.
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