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Elena Andia Sierra is an experienced professional in customer service and administrative support, currently serving as a Customer Service Agent at Leadtech Group since May 2022. Prior roles include serving as Executive Assistant to the Chief Technology Officer at Cetaqua, where responsibilities encompassed calendar management, meeting coordination, and travel arrangements. Additional experience includes work in export/import administration at INTERNATIONAL TRADE SHOWS SA and quality control services management at Archroma. Elena has extensive experience in various administrative capacities, including roles at Accenture and the University of Barcelona, where teaching and gemological expertise were integral. Elena holds multiple degrees in geology and gemology, along with specialized training in various related fields.