Sonia Marcos has extensive supervisory and customer relations experience, currently serving as Outbound Supervisor at Luckia since June 2014, overseeing emission teams, client segmentation, results analysis, and report preparation. Prior roles include Commercial Issuer in the CRM Department at Aprendemas.com and various positions in client management and telemarketing at i.visual, samira & sineb, ARTYCO Customer Database Marketing, El Corte Inglés, and Inditex, demonstrating a strong background in client advisement, data verification, and business development strategies.