Barnabas Salihu

Data Analyst
Abuja, NG.

About

Highly accomplished Data Analyst with over five years of experience specializing in Sales, Investment, and Finance, adept at transforming complex datasets into actionable business insights. Expert in leveraging Excel, Power BI, Python, and SQL for advanced analytics, dashboard development, and performance reporting, augmented by proficiency in AI tools like Gemini AI and ChatGPT to optimize workflows. Passionate about driving business growth and profitability through data-driven solutions and process automation.

Work

Vision32
|

Freelance Data Analyst

Abuja, Federal Capital Territory, Nigeria

Summary

Provided expert data analysis and visualization services, developing interactive dashboards and automating reporting processes to deliver actionable business insights for clients.

Highlights

Designed and maintained interactive Power BI and Tableau dashboards, enabling clients to monitor key performance indicators (KPIs) and critical business metrics.

Executed comprehensive data analysis using advanced Excel functions (pivot tables, VLOOKUP), providing critical insights to support strategic business decisions.

Managed end-to-end data extraction, transformation, and loading (ETL) processes, ensuring high data integrity and accuracy for client projects.

Automated repetitive data reporting tasks, significantly enhancing efficiency and accuracy of data delivery.

GTB
|

Cash Transactions Analyst

Abuja, Federal Capital Territory, Nigeria

Summary

Managed and analyzed daily cash transaction volumes, ensuring data accuracy and generating insights to improve operational efficiency and compliance.

Highlights

Analyzed extensive transaction and operational datasets, identifying key trends to enhance reporting accuracy and inform strategic business decisions.

Developed and implemented structured Excel reporting templates for analyzing customer tax returns (Withholding and VAT), ensuring accurate reporting to tax authorities.

Automated recurring reporting processes, significantly reducing manual effort and improving data reliability for critical financial reports.

Generated actionable performance insights, improving service efficiency and reducing customer transaction turnaround times.

Supported robust data validation and reconciliation processes for large daily transaction volumes, ensuring financial data integrity.

Thels Impact Consulting (TIC)
|

Data Analyst Intern

Abuja, Federal Capital Territory, Nigeria

Summary

Contributed to educational program analysis by sourcing, cleaning, and visualizing large datasets to identify program effectiveness and inform strategic recommendations.

Highlights

Sourced and collected high-quality data from diverse platforms, including higher learning institutions, and performed rigorous cleaning and processing for analysis.

Developed data visualizations and reports using Power BI and Excel, effectively presenting key findings to educators, administrators, and stakeholders.

Analyzed large educational datasets to assess program effectiveness, identify gaps, and formulate recommendations for sectoral improvements.

Education

Ahmadu Bello University, Zaria
Zaria, Kaduna, Nigeria

Master of Business Administration

Finance & Investment

Baze University, Abuja
Abuja, Federal Capital Territory, Nigeria

Professional Diploma

Data Analytics

Federal College of Education (technical) Gombe
Gombe, Gombe, Nigeria

Professional Certificate

General Computing

Abubakar Tafawa Balewa University, Bauchi
Bauchi, Bauchi, Nigeria

B. Tech

Quantity Surveying

Languages

English

Certificates

Google Data Analytics professional certificate

Issued By

Google

CISCO Data Analytics Essentials certification

Issued By

Cisco

IBM-UNITAR Essential Digital skills certification (Data Science, Analytics and AI)

Issued By

IBM-UNITAR

TECH4DEV Data Analysis certificate

Issued By

TECH4DEV

Skills

Data Analysis

ETL processes, Statistical analysis, Data Modelling.

AI Tools

Gemini AI, Manus AI, GPTExcel, Cursor, Chat GPT, Co-Pilot.

Automation Tools

Zapier, Air table, N8N.

Data Visualization

Power BI, Advanced Excel (PivotTables, Charts, Functions), Tableau.

Tools and Technologies

Google Sheets, SQL, Python, Advanced Excel, DAX, Power Query.

Soft Skills

Effective communication, Problem-solving, Critical thinking, Analytical Attention to detail, Strong Analytical skills, Collaboration.

Projects

Data Analysis Projects Portfolio

Summary

Collection of past data analysis projects demonstrating expertise in data transformation, visualization, and insight generation across various domains.