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Cephas Tetteh

@cephastetteh

Data Analyst at Kaman Supply Chain Ltd who turned shipment data into clean, invoice-ready datasets for operational reporting.

Ghana

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At Kaman Supply Chain Ltd, I analyzed daily loadings and weekly order volumes to identify trends and support operational planning. I also compiled monthly shipment data from waybills into clean, invoice-ready datasets.

As a Data Entry Intern in the Finance Department at Kaman Supply Chain Ltd, I entered revenue and petty cash records in QuickBooks and tracked truck-parts inventory to flag discrepancies.

I'm pursuing an MSc in Business Analytics at University of Ghana Business School alongside the ALX Africa Data Science Programme. I built an interactive Power BI sales dashboard with custom DAX measures, data modeling, and business reporting.

Experience

Work history, roles, and key accomplishments

Business Analyst

Kaman Supply Chain Ltd

Mar 2026 - Sep 2026 (6 months)

Analyzed daily loadings and weekly order volume data to identify trends and produce reports supporting operational planning. Compiled and structured monthly shipment data from waybills into clean, invoice-ready datasets.

Data Analysis Data Cleaning Data Validation Reporting SQL Excel

Data Science Programme

ALX Africa

Jan 2025 - Mar 2026 (1 year 2 months)

Applied coursework in Python, Machine Learning, and Data Analytics, including data wrangling, exploratory data analysis, and building foundational ML models.

Python Machine Learning Data Analysis Data Wrangling Exploratory Data Analysis

Data Entry Intern

Kaman Supply Chain Ltd

Nov 2025 - Feb 2026 (3 months)

Entered and maintained revenue and petty cash transaction records in QuickBooks to support financial tracking. Tracked inventory levels of truck parts and applied basic data analysis to monitor stock trends.

Quickbooks Data Entry Data Analysis Inventory Management

National Service Personnel

Ghana Petroleum Mooring Systems

Nov 2024 - Oct 2025 (11 months)

Maintained inventory records and organized warehouse layout to support efficient material tracking. Assisted with safe loading and offloading of maintenance supplies, ensuring accurate stock movement documentation.

Inventory Management Data Entry Documentation

Education

Degrees, certifications, and relevant coursework

University of Ghana Business School

MSc, Business Analytics

2025 -

Pursuing an MSc in Business Analytics with key modules in Data Visualization, Machine Learning, Programming for Analytics, and Data Wrangling.

ALX Africa

Data Science Programme, Data Science

2025 - 2026

Completed a Data Science programme covering Python, Machine Learning, and Data Analytics, including data wrangling and exploratory data analysis.

Kwame Nkrumah University of Science and Technology

BSc, Materials Engineering

2021 - 2024

BSc in Materials Engineering with relevant modules including Probability and Numerical Methods, Process Dynamics and Control, and Engineering Economy and Quality Management.