Reginald Erzoah
@reginalderzoah
Data Analyst and Business Intelligence Analyst turning raw data into actionable Power BI insights.
GhanaWhat I'm looking for
I’m a Data Analyst and Business Intelligence Analyst who transforms raw data into actionable insights through dashboard development, KPI tracking, and data visualization. In my work, I focus on turning reporting needs into clear analytics that support day-to-day operational decisions and continuous process improvement.
As a Data Analytics Officer, I designed Power BI dashboards and automated reports to monitor operational KPIs across production and farmer operations. I collaborate with business stakeholders to gather reporting requirements, analyze operational data with Google Sheets and Power BI, define KPIs, and validate outputs to ensure accuracy, consistency, and business reliability.
I also bring a strong analytical foundation from my prior experience as an Engineering Geologist Trainee, where I collected, validated, and analyzed geological and operational datasets and maintained accurate financial and operational records. This background strengthened how I approach data quality, reconciliation, and trustworthy reporting.
Beyond my professional role, I build end-to-end analytics projects and open-source tools—like a dataset comparison CLI and universal data profiling workflows—to strengthen data quality and make intelligence reusable. I enjoy applying analytics techniques (from segmentation pipelines using RFM and KMeans to predictive and explainability-focused work) while staying passionate about solving business problems through technology and contributing to open-source.
Experience
Work history, roles, and key accomplishments
Contributing Member
Python Ghana
Jul 2025 - Present (1 year)
Led virtual and in-person BI report design workshop(s) at Python Ghana Conference 2025 as part of Python Ghana & PyData Ghana. Volunteered during the 3-day conference to help ensure its success.
Data Analytics Tutor & Mentor
Freelance
Jun 2025 - Present (1 year 1 month)
Trained and mentored more than a dozen individuals in data analytics for beginners. Taught Google Sheets, Power BI, and data portfolio building.
Data Analytics Officer
Koa Switzerland & Ghana
Jun 2024 - Present (2 years 1 month)
Designed Power BI dashboards and automated reports to monitor operational KPIs across production and farmer operations. Gathered reporting requirements with stakeholders, analyzed operational data to identify trends, and validated outputs to ensure data accuracy and reliability.
Engineering Geologist Trainee
Ghana Geological Survey Authority
Nov 2022 - Dec 2023 (1 year 1 month)
Collected, validated, and analyzed geological and operational datasets to support engineering investigations. Compiled financial and operational records for reconciliation and coordinated with the Bank of Ghana to verify payment records and maintain data accuracy.
Education
Degrees, certifications, and relevant coursework
Kwame Nkrumah University of Science and Technology
BSc, Geological Engineering
2018 - 2022
Earned a BSc in Geological Engineering at Kwame Nkrumah University of Science and Technology from Aug 2018 to Nov 2022.
UX Design Professional Certificate, UX Design
2025 -
Completed the UX Design Professional Certificate by Google in January 2025.
Stanford Online & DeepLearning.AI
Machine Learning Specialization, Machine Learning
2026 -
Completed the Machine Learning Specialization by Stanford Online & DeepLearning.AI in June 2026.
Product School
Product Analytics Micro-Certification, Product Analytics
2025 -
Completed the Product Analytics Micro-Certification by Product School in July 2025.
ESSEC Business School
Strategic Business Analytics Specialization, Strategic Business Analytics
2025 -
Completed the Strategic Business Analytics Specialization by ESSEC Business School in January 2025.
Business Intelligence Professional Certificate, Business Intelligence
2024 -
Completed the Business Intelligence Professional Certificate by Google in March 2024.
DataAnalytics Professional Certificate, Data Analytics
2024 -
Completed the DataAnalytics Professional Certificate by Google in February 2024.
Project Management Professional Certificate, Project Management
2024 -
Completed the Project Management Professional Certificate by Google in January 2024.
Macquarie University
Excel Skills for DataAnalytics & Visualization Specialization, Excel, Data Analytics & Visualization
2024 -
Completed the Excel Skills for DataAnalytics & Visualization Specialization by Macquarie University in January 2024.
Tech stack
Software and tools used professionally
Availability
Location
GhanaAuthorized to work in
Website
reginalderzoah.github.ioPortfolio
reginalderzoah.github.ioJob categories
Skills
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