• Management and development of strategic relationships with key accounts, including carriers and open market channels, to maximize sales and market share in the telecommunications sector.• Implementation of commercial and marketing strategies tailored to the needs of each account, successfully reintegrating OPPO with certain suppliers and maintaining market share with Movistar.• Leadership in resolving commercial crises, including identifying and mitigating sell-out issues, optimizing brand presence at the point of sale, and restoring customer trust in critical situations.• Led negotiations with key accounts to secure favorable terms and conditions, ensuring contracts and agreements are aligned with company policies and objectives.• Coordination and alignment with internal and external teams to ensure the effective execution of strategies, improving customer experience, and increasing satisfaction and loyalty.