Marcos Pérez Collado

Spearheaded global data integrity dashboards, improving data quality by 30% through optimized ETL workflows. Designed interactive dashboards used by 400+ companies, accelerating decision-making and boosting reporting accuracy. Optimized Power BI and Sisense solutions, improving stakeholder engagement and reducing reporting delays by 15%. Led a data-driven project, increasing operational efficiency by 25%, contributing to business-wide performance improvements.

Managed end-to-end Power BI implementations, reducing report generation time by 15%. Developed e-commerce sales dashboards, improving reporting accuracy by 25% and supporting key business decisions.

Led SQL Server optimization, improving performance by 30% and reducing maintenance costs for key clients. Delivered tailored BI solutions, enhancing operational efficiency and process automation for a variety of industries.

Enhanced data modeling and reporting capabilities, improving decision-making processes by implementing optimized SSIS/SSAS/SSRS solutions. Collaborated with clients to customize BI systems that improved business performance and efficiency.

Developed a corporate portal for 100+ users, improving internal data access and communication processes. Integrated Power BI for reporting, enabling data-driven decision-making.