Orinea Sithagu

Background

About Orinea Sithagu

Highly analytical and results-oriented Data Analyst with a proven track record in the finance sector, currently delivering detailed performance and risk reporting.​I combine a rigorous foundation in Applied Mathematics (BSc UCT) with expert proficiency in Power BI, SQL, and Python to solve quantitative business problems and drive strategic decision-making.​My experience is focused on:​Business Intelligence (BI): Transforming complex, multi-source datasets into actionable insights. Expertly built and maintained customized Power BI reports, achieving a 50% reduction in query load times through DAX/data model optimization.​Data Engineering & ETL: Leveraging SQL for efficient data extraction, transformation, and storage across large financial databases.​Quantitative Finance & Modeling: Applied analytical skills to projects including population simulation, numerical analysis, and enhancing financial models. Specifically improved the accuracy of a third-party client's Dividend Projection model by 30%.​Cloud Fundamentals: Certified in Azure Fundamentals, demonstrating an understanding of modern cloud data architectures.