Cover image for Clean, transform, and analyze operational

Clean, transform, and analyze operational and market datasets using Excel, SQL, and Power BI, converting raw data into structured insights that support evidence-based business decisions. Gather client requirements by defining research questions and data needs, translating business problems into measurable analytical objectives and reporting outputs. Build interactive Power BI and Excel dashboards to track KPIs, trends, and performance drivers, increasing visibility into business performance and contributing to revenue improvements of up to 40%. Apply data storytelling techniques to communicate analytical findings through detailed reports, visualizations, and presentations, enabling non-technical stakeholders to understand trends and develop strategies. Maintain structured datasets and analytical documentation throughout projects, strengthening data integrity, improving repeatability, and creating reliable references for future analysis.

Dorcas Kaaria

Data Analyst turning raw data into insights and strategies.