Cleaned and automated 30,000+ rows of POS data using Power Query, reducing manual reporting time by 80%. Built an interactive Power BI dashboard tracking $6.29M in sales and 255K units sold across multiple locations. Delivered KPIs (YoY, MoM, WoW) and insights into top products and locations. Enabled faster decision-making by identifying high-performing areas and revenue opportunities through clear, real-time visuals.