Summary
Work history
Education
Skills
Languages
Timeline
Accomplishments
Additional Information
Certification
Overview
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CHRISTOPHER NWANKWO

Lagos,Nigeria

Summary

Results driven Data Analyst and Mathematics Specialist with proven experience in business and operational data analysis, reporting, and performance improvement. Strong background in advanced Microsoft Excel, Power BI, Tableau, SQL, and data visualization for business decision making. Skilled in transforming complex datasets into clear management insights, KPI tracking, dashboard development, and executive reporting. Experienced in supporting strategic decisions through sales analysis, customer behavior reporting, market trend evaluation, and business intelligence. Adept at working independently, solving problems, and delivering high-impact analytical solutions.

Work history

Data Analyst Intern

10Alytics
London, United Kingdom
01 2026 - current

• Conduct business and operational data analysis to support management decision making and strategic planning.

• Prepare business intelligence reports tracking sales performance, customer insights, and operational trends.

• Analyze customer behavior models and sales performance data to improve business outcomes and customer experience.

• Use advanced Excel functions including Power Query, SUMIF, INDEX MATCH, Pivot Tables, and dashboard reporting.

• Write SQL queries for data extraction, reporting, and performance analysis across multiple datasets.

• Develop interactive dashboards using Power BI and Tableau for senior management reporting.

• Track market trends and competitor performance to support business growth strategies.

• Present analytical findings and management insights clearly to support executive decision-making.

Mathematics Teacher

Talent college
Ejila, Nigeria
02 2017 - current
  • Applied data driven methods to monitor student performance, identify trends, and improve academic outcomes.
  • Used measurable performance data to track progress and support strategic academic planning.
  • Prepared reports and performance summaries for school management and stakeholders.
  • Simplified complex numerical concepts into clear, understandable insights for students and parents.
  • Strengthened analytical thinking, problem solving, and communication through practical mathematical applications.

Education

Diploma - Electrical & Electronic Engineering

Lagos State University of Science and Technology

Skills

  • Business & Operational Data Analysis
  • Advanced Microsoft Excel (Pivot Tables, Power Query, INDEX MATCH, SUMIF, VLOOKUP)
  • Power BI & Tableau Dashboard Development
  • SQL & Data Extraction
  • KPI Tracking & Performance Reporting
  • Business Intelligence & Executive Reporting
  • Data Cleaning & Data Visualization
  • Statistical & Financial Analysis
  • Market & Customer Behavior Analysis
  • Problem Solving & Analytical Thinking
  • Management Reporting & Decision Support
  • Data-Driven Strategy Development

Languages

English
Fluent

Timeline

Data Analyst Intern

10Alytics
01 2026 - current

Mathematics Teacher

Talent college
02 2017 - current

Diploma - Electrical & Electronic Engineering

Lagos State University of Science and Technology

Accomplishments

  • Improved sales performance by 25% through Excel based data cleaning, analysis, and dashboard reporting for business optimization.
  • Supported project execution that contributed to a 55% increase in revenue through performance tracking and operational improvements.
  • Delivered business intelligence reports that improved management visibility into customer behavior and sales trends.
  • Created interactive dashboards that enhanced executive reporting and faster decision making.

Additional Information

TECHNICAL TOOLS

Excel | Power BI | Tableau | SQL | Power Query | Pivot Tables | KPI Reporting | Dashboard Development | Data Visualization | Business Intelligence

Certification

  • Problem-Solving Skills

Overview

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Certificate

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CHRISTOPHER NWANKWO