OYENIRAN TOBI

Data Analyst
N/A, NG.

About

Results-oriented Data Analyst with a Microsoft Data Analyst Associate certification, specializing in leveraging Power BI, Excel, and SQL to transform complex data into actionable insights and interactive dashboards. Proven ability to streamline reporting, enhance decision-making, and drive business intelligence outcomes, dedicated to optimizing organizational performance through data-driven strategies.

Work

Lapis Technology
|

Data Analyst

Remote, N/A, N/A

Summary

Analyzed financial and customer behavior data to reveal key trends, optimize sustainability, and enhance sales and marketing strategies for a remote technology firm.

Highlights

Analyzed complex finance datasets to identify a 24.6% income increase, 24.5% expense increase, and a 27% decrease in savings, highlighting critical risks to long-term sustainability.

Leveraged SQL and Power BI with Recency, Frequency, and Monetary (RFM) modeling to analyze customer behavior, resulting in a 50% increase in sales.

Conducted exploratory revenue analysis that influenced 65% of investment decisions through data-driven insights on high-growth sectors and industry potential.

Streamlined data processing by utilizing advanced Excel functions for data cleaning and transformation, reducing analysis time by 30% and enhancing data accuracy.

Executed ELT processes and delivered actionable insights, improving investor decision-making accuracy by 45% and reporting accuracy for sales and marketing teams by 35%.

BNA NIGERIA LTD
|

Admin Officer

N/A, N/A, Nigeria

Summary

Managed administrative operations, optimizing facility maintenance, procurement, and record-keeping to enhance organizational efficiency and support departmental collaboration.

Highlights

Reduced equipment downtime by 30% through proactive maintenance scheduling, significantly enhancing operational efficiency.

Digitized over 5,000 confidential company records in Google Sheets, increasing document retrieval speed by 70%.

Improved fuel accountability by 25% by implementing a new trip log system for company vehicle usage and monitoring.

Enhanced internal communication and external partner response time by 35%, fostering smoother cross-departmental operations.

Managed comprehensive procurement processes, ensuring timely acquisition of supplies and services while maintaining strong vendor relationships.

The Nest Innovation Technology Park
|

Data Analyst (Trainee)

N/A, N/A, Nigeria

Summary

Conducted end-to-end sales data analysis, from cleaning and structuring raw data to transforming it into dynamic models for advanced business reporting.

Highlights

Conducted end-to-end analysis of Superstore's 2014 sales data across U.S. regions, cities, states, and customer segments to identify key market trends.

Cleaned and structured over 7,500 rows of raw transactional data using Excel functions and formulas, increasing data quality and reducing reporting errors by 30%.

Transformed data using Power Query in Power BI, enabling dynamic and scalable data models for advanced business reporting and visualization.

Volunteer

Ericsson Telecommunications
|

Data Analyst (Volunteered)

N/A, N/A, N/A

Summary

Analyzed 4G network datasets, developed key performance indicators, and visualized telecom metrics to enhance executive reporting and insight delivery.

Highlights

Cleaned and analyzed 4G network datasets, developing key performance indicators (KPIs) and performance measures for executive reporting.

Visualized critical telecom metrics using Power BI, enhancing insight delivery by 40% for strategic decision-making.

Collaborated with cross-functional teams to validate data and present findings via Microsoft Teams, ensuring data accuracy and shared understanding.

Education

University of Nigeria, Nsukka
Nsukka, N/A, Nigeria

Bachelor of Science

Industrial Technical Education

Certificates

Data Analytics Essentials

Issued By

CISCO Networking Academy

3MTT Data Analysis & Visualization Certification

Issued By

National Information Technology Development Agency

Foundation Analytics Certification

Issued By

SKILLHARVEST

Microsoft Data Analyst Associate Certification

Issued By

Microsoft Learn

Skills

Communication

Cross-functional Collaboration, Stakeholder Engagement.

Operational Management

Operational Efficiency, Procurement, Record Management, Logistics Monitoring.

Programming

SQL, Microsoft SQL Server, MySQL.

Data Visualization

Power BI, Microsoft Excel, Interactive Dashboards.

Data Cleaning & Preparation

Microsoft Excel (PivotTables, VLOOKUP, Charts, Power Query), ELT Processes, Data Transformation.

Presentation & Reporting

Microsoft PowerPoint, Microsoft Word, Canva, Google Slides, Actionable Insights, Technical Documentation.

Statistical Analysis

Mean, Median, Standard Deviation, Correlation, Regression, Probability Basics.

Business Intelligence

Business Insights, Data-Driven Decisions, Exploratory Data Analysis.

Problem Solving

Analytical Skills, Data Interpretation.

Projects

Finance Analysis Dashboard

Summary

Developed an interactive dashboard for comprehensive finance analysis, identifying key financial trends and risks.

Sales Performance Dashboard

Summary

Created a dynamic sales performance dashboard to track and visualize sales data across various dimensions, supporting strategic decision-making.