Built an end-to-end business intelligence dashboard that converts raw, fragmented transaction and operations data into actionable strategic insights. Cleaned and normalized messy spreadsheets using SQL and Python, designed optimized data models, and implemented advanced dynamic measures to track KPIs, margins, and customer trends. The final dashboard features intuitive slicers, drill-through capabilities, and automated visual reporting, enabling non-technical stakeholders to make data-backed decisions effortlessly.