Samuel afolabi

I’m a Junior Data Analyst based in Lagos, Nigeria, currently analyzing user and performance data for an AI-driven resume software platform serving a global audience. I query and extract structured datasets using SQL, then clean, transform, and validate raw data in Microsoft Excel to keep results accurate and consistent.

I develop interactive dashboards and visual reports in Power BI to monitor KPIs, user engagement metrics, and operational trends. My focus is making data easy to understand so business teams can track performance and make decisions faster.

Previously, as a Data analyst intern at MEDEXIA (June 2024 – Jul. 2025), I supported a health insurance organization serving 50,000+ policyholders by analyzing claims and enrollment data. I used SQL, Excel, and Power BI to extract, clean, and visualize healthcare data—and delivered measurable impact: reduced reporting turnaround time by 25% with automated Excel templates and improved data accuracy by 30% using SQL validation queries, including Power BI dashboards for claim approval rates and policy renewals.

Earlier experience includes assisting with data cleaning, basic SQL querying, and Excel-based reporting as a Data Analyst Intern at ELEVOO PATHWAY, plus administrative and data entry work at ELSATECH where I maintained technical and operational data in internal systems and Excel. I’m also building depth through Maven Analytics certifications (Advanced MySQL and Advanced Power BI, plus Data Literacy and AI for Data Analytics), with a strong interest in emerging technologies in data and AI.