Customer Service professional with over 10 years of experience in high-volume, international contact center environments, notably at Teleperformance Tunisia, delivering premium support for major clients such as Orange France and SOSH France. Proven expertise in multichannel customer support (phone, email, chat), complex issue resolution, and customer satisfaction optimization. Strong track record of consistently exceeding KPIs including CSAT, FCR, SLA, and productivity targets. Recognized for the ability to mentor and train new agents, contribute to onboarding programs, and support team performance. Experienced in upselling and cross-selling strategies with a customer-centric approach. Highly proficient with CRM tools such as Salesforce and Zendesk, combining operational excellence with strong communication skills to drive customer loyalty and business growth.