TOLUWANI LAWALSON

Business Data Analyst

Lagos, NG.

About

Highly analytical Business Data Analyst with a proven track record of transforming complex data into actionable insights, driving efficiency gains, and boosting revenue. Proficient in advanced Excel, Power BI, Tableau, SQL, and Python, I excel at designing robust reporting frameworks and automating data processes to support strategic decision-making and achieve measurable business outcomes.

Work

Dataguard

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Business Data Analyst

Lagos, Nigeria

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Summary

Supported data governance and reporting across 500+ client records by maintaining data accuracy and automating Excel-based MIS dashboards, improving reporting efficiency and turnaround time by 30%.

Highlights

Managed and maintained complex company database systems, ensuring 100% data accuracy, validation, and accessibility across 500+ client records.

Built and automated Excel-based Management Information System (MIS) dashboards and recurring performance reports using Pivot Tables, improving reporting turnaround time by 30%.

Growvastly

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Business Data Analyst

Osun, Nigeria

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Summary

Drove workflow efficiency and revenue growth through in-depth analysis of staff performance and marketing data, providing actionable insights.

Highlights

Analyzed staff performance data using Excel dashboards and KPI reports, leading to a 10% improvement in workflow efficiency.

Developed and implemented weekly performance reports and KPI tracking dashboards, providing critical insights for management decision-making.

Performed SEO and Marketing Data Analysis using Power Query, delivering actionable insights that contributed to an 8% increase in sales revenue.

Amdor Analytics

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Business Analyst, Intern

Lagos, Lagos, Nigeria

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Summary

Conducted in-depth consumer complaint analysis, identifying systemic issues, and contributing to significant grievance reduction and operational improvements.

Highlights

Conducted detailed analysis of 62,520 Bank of America consumer complaints using Power Query and Power BI, generating insights that supported a projected 12% reduction in grievances.

Developed DATEDIFF-based response-time metrics to uncover systemic service delays and track key service performance indicators, enhancing service delivery visibility.

Designed and implemented Power BI dashboards and performance metrics to identify complaint trends, product-specific issues, and operational inefficiencies, directly supporting executive decision-making.

Thels Impact Consulting

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People Analyst Intern

Abuja, Nigeria

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Summary

Supported cross-functional teams and department heads by aligning project activities with business objectives and producing executive reports and meeting documentation to improve communication clarity and follow-through.

Highlights

Supported cross-functional teams and department heads in aligning project activities with business objectives.

Prepared meeting minutes and executive reports to improve communication clarity and follow-through across teams.

Volunteer

Data Management Volunteer

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Peace Building and Social Justice

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Contributed to critical data management and reporting initiatives, enhancing operational and strategic decision-making in a remote capacity.

Highlights

Maintained stringent data quality, consistency, and performance metrics across key business reports, ensuring reliable data integrity for stakeholders.

Designed and implemented comprehensive dashboards and reporting frameworks, significantly enhancing management review processes.

Contributed to pivotal data management and reporting initiatives, directly supporting operational and strategic decision-making processes.

Education

Harvard University

Cambridge, MA, United States of America
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CS50: Introduction to Computer Science Computer Science

Vephla University

, ,
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Diploma (Distinction) Data Analytics

Osun State University

Osun, Osun, Nigeria
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Bachelor Human Physiology

Languages

English

Certificates

CS50: Introduction to Computer Science

Harvard University

GOOGLE Business Intelligence

Google

Diploma in Data Analytics (Distinction)

Vephla University

Skills

Data Analysis & Reporting

MS Excel (Pivot Tables, Power Query, XLOOKUP/VLOOKUP), KPI Tracking & Performance Metrics.

BI & Visualization

Power BI (Dashboards, Data Modeling, DAX), Tableau.

Databases

MySQL, PostgreSQL.

Programming

R, Python (NumPy, Pandas, Matplotlib).

Stakeholder Management

Stakeholder Communication, Research, Value Delivery and Feedback.

Projects

Performance Forecast Analysis

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Summary

Transformed raw data into actionable insights, implementing robust data cleaning, validation, and advanced transformations.

Global Store Sales Analysis

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Summary

Analyzed extensive electronic product records to identify critical sales trends, profit patterns, and underperforming categories.

Featured Links

Portfolio

Some of my work__

Articles