GBADEGESIN MARIAM OMOWUMI

DATA ANALYST | BUSINESS ANALYST | PROGRAM ANALYST

Maiduguri, NG.

About

Highly analytical Mathematics graduate with proven expertise in data cleaning, performance analysis, and dashboard development using Excel, Power BI, and SQL. Adept at transforming complex datasets into clear, actionable insights, as demonstrated by a capstone project that improved analytical efficiency by 30% through data-driven findings and strategic recommendations. A detail-oriented and results-driven professional, I excel at delivering structured reports and impactful solutions across dynamic organizations, poised to contribute to data-driven decision-making.

Work

NYSC

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Administrative Assistant & Data Analyst Support

Ilorin, Kwara State, Nigeria

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Summary

Supported academic administration and data analysis, ensuring data integrity and generating performance insights for stakeholders at Al-Hikmah University.

Highlights

Managed and validated 100% of student academic records, ensuring complete data integrity across the General Studies Unit.

Executed performance analysis using advanced Excel functions (VLOOKUP, XLOOKUP, FIND) to identify key trends and generate structured reports for academic administration and senior stakeholders.

Developed and presented clear, concise charts and visual dashboards to management, effectively communicating student performance data.

Streamlined documentation, compliance, and administrative reporting processes, enhancing operational efficiency within a regulated institutional environment.

Oladepo Multiventures

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Sales & Finance Assistant

Oyo, Oyo State, Nigeria

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Summary

Managed daily financial transactions and reconciled revenue data, building foundational skills in financial documentation and reporting.

Highlights

Managed daily transactions and maintained accurate financial records, supporting robust cash flow monitoring.

Tracked and reconciled sales figures and revenue data, contributing to accurate financial documentation and reporting.

Volunteer

Camp Data Analyst (Volunteer)

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NYSC Orientation Camp.

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Designed and analyzed surveys from over 200 corps members to collect structured data and provide data-backed recommendations for operational planning.

Highlights

Designed and administered surveys (paper-based & Google Forms) to collect structured data from over 200 corps members, assessing camp activities, health, and environment.

Compiled, cleaned, and analyzed comprehensive survey datasets in Excel, documenting key findings in formal written reports.

Identified critical behavioral trends and presented data-backed recommendations, directly supporting enhanced operational planning.

Education

University of Maiduguri

Maiduguri, Borno State, Nigeria
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Bachelor Mathematics Education Grade: Second Class Upper

Awards

Scholarship Recipient

Seeding Africa

Awarded a scholarship by Seeding Africa, acknowledging academic potential and commitment to data analytics.

Scholarship Recipient

DataCamp & DataKliq

Received a scholarship from DataCamp and DataKliq, supporting further development in data analytics skills.

Best Tutor of the Year

Mathematical Association of Nigeria (MAN), Unimaid Chapter

Recognized for outstanding contributions as a tutor by the Mathematical Association of Nigeria, Unimaid Chapter.

Certificate of Excellence

FILGS (Mathematics Competition, 2nd Place)

Awarded a Certificate of Excellence for achieving 2nd Place in the FILGS Mathematics Competition.

Certificates

Data Analytics Training Program

Seeding Africa Program

Data Analysis & Visualization with Excel

UniAthena

Data Visualization with Power BI

UniAthena

Intermediate SQL (Statement of Accomplishment)

DataCamp

Data Literacy Professional (Statement of Accomplishment)

DataCamp

Soft Skills Certificate

Jobberman

Skills

Data Analysis & Science

Data Cleaning & Preparation, Exploratory Data Analysis (EDA), Statistical Analysis, Data Visualization, Data Interpretation, Reporting, Database Management, Performance Analysis, Trend Analysis, Outlier Detection, Correlation Analysis, Hypothesis Testing, Data Modeling.

Programming & Databases

Python (Pandas, Seaborn, Scipy), SQL, MySQL, MSSQL, Microsoft SQL Server.

Business Intelligence & Tools

Power BI (DAX, Power Query), Excel (Power Query, Pivot Tables, VLOOKUP, XLOOKUP, FIND), Google Sheets, Microsoft Office Suite, Automated Lookup Tools, Interactive Dashboards.

Project Management & Strategy

Strategic Recommendations, Stakeholder Reporting, Cross-functional Collaboration, Workforce Planning, Operational Planning, KPI Tracking.

Projects

Carbon Dioxide Emissions and Economic Growth Across African Nations

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Summary

Conducted an end-to-end data analysis project investigating the relationship between carbon dioxide emissions and economic growth across 52 African countries using 1,248 observations spanning 24 years.

Transaction Analysis Report

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Summary

Conducted a comprehensive analysis of over 1 million bank transactions to identify trends and provide strategic recommendations.

HR Data Cleaning & Business Insight Analysis

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Summary

Cleaned and consolidated large HR datasets to build automated lookup tools and executive dashboards for workforce planning.

Sales Performance Analysis

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Summary

Analyzed multi-period sales data to build interactive dashboards and deliver actionable product-level performance insights.

Student Academic Performance Analysis

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Summary

Collaborated in a cross-functional team to collect, clean, and analyze educational data across two universities to produce data visualizations and research-backed findings.