Joseph Ejoh

I am a detail-oriented and analytical Data Analyst with a B.Sc. in Biochemistry and professional training in data analytics. My experience includes transforming large datasets into actionable insights using SQL, Power BI, Excel, and Python. I have a passion for solving real-world problems through data storytelling, statistical analysis, and business-focused solutions.

In my role as a Freelance Data Analyst, I built interactive Excel dashboards for small businesses, improving real-time KPI tracking and reducing manual reporting by 40%. I also analyzed customer sales data, enabling clients to identify trends that increased monthly revenue by 18%. My time at the National Health Insurance Authority involved analyzing enrollment and claims data for over 50,000 patients, which helped reduce claim rejections by 15%.