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komobolaji20-droid/README.md

Omobolaji Kehinde Zachariah

Data Analyst & Business Intelligence Specialist

Data Analyst and Business Intelligence Specialist dedicated to engineering insights that drive revenue, streamline operations, and inform corporate strategy. Expert at transforming raw, fragmented data into executive-ready dashboards and high-performance data models using SQL and Power BI. Proven ability to bridge the gap between complex data architecture and business decision-making, combining technical expertise with strong data storytelling to deliver actionable recommendations to leadership stakeholders.

Current Focus: Driving BI reporting as an Analytics Intern at DecodeLabs, while leveraging an educational background to translate complex data into clear, actionable stories.

Core Technical Stack

  • Data Modeling & Architecture: Star Schema, Snowflake Schema, Fact/Dimension Tables, Relationship Cardinality.
  • Business Intelligence & Analytics: Advanced Power BI, Advanced DAX, Revenue Analytics, Profit Optimization, Trend & Pareto Analysis, Location Intelligence (GIS).
  • Data Engineering & Manipulation: SQL (CTEs, Window Functions, Joins, Aggregations, Subqueries), Python.
  • Soft Skills: Executive Data Storytelling, Cross-Functional Communication, Business Insight Generation, Stakeholder Management.

Featured BI Solutions & Projects

  • WHO-Global-Disease-Burden-Analysis A comprehensive 4-page Power BI dashboard analyzing 20 years of WHO global health data across 45 countries, 13 diseases and 6 WHO regions — built with SQL Server and Power BI using a Star Schema data model and gold monochromatic design system.

  • Opay Fraud Risk & Financial Performance Analysis Two-page fintech dashboard for Opay optimizing performance and risk. Tracks ₦1.3bn transaction volume, analyzes success/failure trends, isolates KYC onboarding vulnerabilities, and maps device risk matrix to mitigate ₦287.6M in fraud losses.

  • Logistics Performance & Risk Intelligence Dashboard Engineered an enterprise-grade BI solution centralizing fractured supply chain data into a single executive workspace to track carrier performance, demurrage leakage, and shipment risk.

  • Executive E-commerce Revenue & Profit Performance Built a strategic BI solution implementing complex DAX measures, Pareto (80/20 rule) modeling, and R² correlation analysis to isolate top revenue-generating products.

  • Student Achievement & Engagement Analytics Structured and cleaned a decade's worth of raw academic performance and engagement datasets utilizing advanced SQL CTEs and Window Functions.

  • E-commerce Sales Performance Dashboard Executed a strategic analysis of $228K in revenue using Pareto modeling and R² correlation metrics to identify operational growth drivers and seasonal trends.

  • Healthcare Patient Record Dashbord Two-page Power BI dashboard analyzing 9,500 hospital patient records covering clinical outcomes, mortality rates, revenue performance, and operational efficiency.

📬 Connect With Me

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  1. WHO-Global-Disease-Burden-Analysis WHO-Global-Disease-Burden-Analysis Public

    A comprehensive 4-page Power BI dashboard analyzing 20 years of WHO global health data across 45 countries, 13 diseases and 6 WHO regions — built with SQL Server and Power BI using a Star Schema da…

  2. Opay-FinTech-Analytics-Financial-Performance-Fraud-Risk-Monitoring Opay-FinTech-Analytics-Financial-Performance-Fraud-Risk-Monitoring Public

    Two-page fintech dashboard for Opay optimizing performance and risk. Tracks ₦1.3bn transaction volume, analyzes success/failure trends, isolates KYC onboarding vulnerabilities, and maps device risk…

  3. Executive-E-commerce-Insight-Revenue-Profit-Performance-2023- Executive-E-commerce-Insight-Revenue-Profit-Performance-2023- Public

    Power BI executive dashboard analyzing 2023 e-commerce revenue, profit, and customer performance. Features Pareto concentration analysis, target variance benchmarking, and acquisition channel evalu…

  4. komobolaji20-droid.github.io komobolaji20-droid.github.io Public

    HTML

  5. ecommerce-sales-dashboard ecommerce-sales-dashboard Public

    An end-to-end retail analytics project featuring a Power BI dashboard to track $228K in revenue. Highlights include Pareto analysis for category performance, seasonality trends, and correlation mod…

  6. Logistics-Performance-Risk-Intelligence-Dashboard Logistics-Performance-Risk-Intelligence-Dashboard Public

    Enterprise Power BI dashboard for logistics performance monitoring, carrier analytics, shipment tracking, and financial risk intelligence.