Samuel A

@samueladanu

Data Analyst

Ghana
English
About me
I turn messy data into dashboards that gives you actionable insights. I have 8+ years in data analysis and revenue management, including building Power BI reporting systems for the Ghana Revenue Authority that tracked and improved tax collection efficiency. Expert in Power BI Desktop and Advanced Excel: star-schema models, DAX, and interactive dashboards that make decisions faster. I also handle Data Cleaning, Reporting, and Power BI/Excel training for teams. Send me your raw data. I will send back data visuals that give you clarity you can act on.... Read more

Skills

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samueladanu
Samuel A
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Data Dashboards
I will build power bi dashboard for your retail or cafe business
From$50 / projectMore details

Portfolio

Work experience

Ghana_Revenue Authority - official

Data Analyst / Tax Compliance Officer

Ghana Revenue Authority - official • Full-time

Nov 2018 - Present • 7 yrs 11 mos

Migrated taxpayer records from a manual system to an electronic system, improving data accessibility and reducing processing inefficiency. Designed and built a Comprehensive Tax Revenue Collection Performance Analysis Dashboard in Power BI, giving management real-time visibility into daily, weekly, monthly and yearly revenue performance. Structured and modelled large volumes of transactional tax data using Power Query and a star-schema approach, enabling reliable and repeatable reporting. Presented dashboard findings and revenue trends to management stakeholders, supporting compliance tracking and revenue forecasting.