Nnamdi Daniel Okoli

About

I’m a results-driven Data Analyst with a knack for transforming complex data into compelling stories and actionable insight. Armed with SQL, Advanced Excel, Power BI, and Python, I specialize in cleaning messy datasets, discovering patterns, and building dashboards that highlight opportunities and solve real problems. My mission? To help businesses uncover what’s really happening beneath the surface and use those insights to drive growth, efficiency, and clarity. I’ve led data projects across various domains—analyzing customer behavior, marketing performance, and product usage—but my true strength lies in finding the “why” behind the numbers and translating that into solutions. I bridge the gap between data and action by making complex insights accessible to non-technical teams and stakeholders. What sets me apart? I don’t just deliver reports—I help businesses ask better questions, spot challenges early, and take data-driven action that creates impact. I’m open to remote and freelance opportunities worldwide, and I’m especially excited to collaborate with teams that believe in the power of data to shape smarter decisions. Let’s connect if you’re: • Looking for a sharp, business-savvy data analyst • Facing a challenge and want to solve it with data • Or just love chatting about the magic of turning chaos into clarity.

Experience

• Data Analyst · Guinness Nigeria, Ikeja, Lagos State2021-03-01 –

  Analyzed sales performance data, identifying trends, revenue drivers, and customer behavior to optimize sales strategies. Built interactive Power BI and Tableau dashboards to visualize key financial metrics, enhancing decision-making for management. Conducted data validation and integrity checks using SQL queries. Developed an automated reporting tool, reducing report generation time by 75%. Conducted market trend analysis to assess the impact of pricing strategies, promotions, and competitor activities on sales. Mentored and supervised interns, providing training on data analysis tools and techniques, monitoring progress, and fostering a collaborative environment, resulting in a 95% project completion rate.

• Data Analyst Intern · Driod Technologies Nigeria, Benin, Edo State2019-11-01 – 2020-12-01

Education

• University of BeninBachelor of Science - BS, Computer Science

Similar talent on Pangea

Judith V.Data Analyst | Business Intelligence Strategist | Driving Growth with Data-Driven Decisions | Power BI | SQL | Python | Empowering African Businesses with InsightsNairobi, KenyaOluwatosin A.Data-driven problem solver applying advanced analytics and machine learning principles to derive intelligent insights.Lagos, NigeriaSahir S.Data Analyst | Business Intelligence Analyst | Power BI Developer | Expert in Insights & ReportingSarah S.Data Analyst | Driving Data-Driven Decisions |Colorado Springs, CO