Spearheaded data collection and organization from multiple sources, enhancing data quality and accessibility for analysis across four cities, and conducted detailed research to support project goals.Ensured high data integrity and security through rigorous testing and validation, while also providing detailed documentation and user guides to improve system usability and maintenance, contributing to overall user satisfaction.Consolidated and organized data from various sources, structuring it for simplified analysis and retrieval, and conducted thorough data analysis to align with project objectives, significantly enhancing data quality and strategic insight accessibility.Collaborated effectively with team members and stakeholders, providing responsive client support and resolving issues efficiently, which was instrumental in the successful completion of the project through diligent data management and analysis.Presented findings and data-driven recommendations to stakeholders, effectively using various visualization techniques to enhance understanding and guide strategic improvements in sales performance and competitiveness.