Mohammed Musah Kabba
Accra,Ghana
Summary
Detail-oriented and analytical Data Analytics graduate with hands-on experience gained through an internship at the Ghana Revenue Authority. Skilled in data collection, cleaning, and visualisation, with a proven ability to improve reporting accuracy and streamline data processes. Proficient in tools such as Excel, Power BI, and Python for analysing large datasets and delivering actionable insights. Demonstrated success in automating data workflows and creating performance dashboards to support strategic decision-making. Eager to apply analytical skills and a strong foundation in data-driven problem-solving to support business intelligence and performance improvement.
Overview
2
2
years of professional experience
Work history
Data analyst
Ghana Revenue Authority
Accra, Ghana
04.2024 - 10.2024
- Collected, cleaned, and analysed large datasets from tax records to identify trends in revenue collection across departments, contributing to 15% improvement in reporting accuracy.
- Developed dashboards using Microsoft Excel and Power BI to visualise monthly tax performance, enhancing decision-making for supervisors.
- Automated data entry and validation tasks using Excel formulas and pivot tables, reducing processing time by 30%.
- Assisted in preparing weekly and monthly analytical reports for internal audits and senior management review.
- Collaborated with IT and Compliance departments to ensure data integrity and consistency across internal systems.
Data Analytics Intern
MTN Ghana
Accra, Ghana
03.2023 - 09.2023
- Analyzed customer usage data to identify churn patterns and support customer retention strategies, contributing to 10% reduction in churn rates during internship period.
Created dynamic dashboards in Power BI to visualize network performance, customer segmentation, and regional service usage, enabling data-driven decisions by Commercial Planning team.
Cleaned and transformed large datasets using Excel and SQL, ensuring data accuracy for internal reporting and predictive modelling.
Supported Business Intelligence unit in preparing daily and monthly performance reports for executive review.
Collaborated with data engineers and marketing analysts to streamline data collection processes, reducing report generation time by 25%.
Education
Bachelor of Science in Business Administration - Human Resources Management and Data Analytics
University of Ghana
Ghana 01.2022 -
Skills
- Tableau competency
- Machine learning knowledge
- Advanced Excel usage
- Power BI
- Data Visualisation
Languages
English
Native
Affiliations
- Reading industry blogs and publications to stay updated on the latest trends.
Timeline
Data analyst
Ghana Revenue Authority
04.2024 - 10.2024
Data Analytics Intern
MTN Ghana
03.2023 - 09.2023
Bachelor of Science in Business Administration - Human Resources Management and Data Analytics
University of Ghana
01.2022 -
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