Charles Onyebuchi
Business Data Analyst at OmniBiz
Based in Abuja, Nigeria
About
I am a data analyst with over five years of experience using data to solve business problems and improve operational decision-making. With an academic background in Materials and Metallurgical Engineering and professional experience in data analytics and reporting, I have built expertise in transforming raw datasets into meaningful insights that support business growth. I specialize in data analysis, SQL data modeling, and business intelligence dashboards, with strong proficiency in Power BI, Excel, SQL, and Python. I have worked on several analytical projects, including customer behavior analysis, loan recovery analytics for call center operations, hospital management system data analysis, and operational reporting dashboards.
Skills
Projects
Experience
2021 - 2025
Lead Data Analyst
As the Lead Data Analyst at Interra Networks Limited, I oversee the end-to-end management of data analytics functions supporting both government and health sector initiatives. I lead a team responsible for collecting, analyzing, and interpreting complex datasets to drive strategic decisions and improve service delivery. My primary focus is on public health-related data analysis, particularly supporting the National Primary Health Care Development Agency (NPHCDA) and the National Tuberculosis Program. I manage real-time dashboards, monitor key performance indicators (KPIs), and ensure accurate reporting to stakeholders. This includes analyzing call center data for NPHCDA’s helpline, identifying trends, and providing insights to enhance outreach, immunization tracking, and engagement.
2019 - 2021
Travel Data Analyst
As a Travel Data Analyst at Wakanow Ltd—West Africa’s leading online travel agency—I was responsible for analyzing travel trends, customer behavior, and booking patterns to support data-driven decision-making across the business. I worked closely with the marketing, sales, and operations teams to provide insights that optimized pricing strategies, route planning, and customer engagement. My role involved building interactive dashboards and reports to monitor KPIs such as ticket sales, revenue per route, booking conversions, and customer retention. I leveraged tools such as Excel, SQL, and Power BI to extract and visualize data, uncover actionable insights, and present findings to stakeholders.
2025 till date
Business Data Analyst @ OmniBiz
At Omnibiz, I work as a Business Analyst supporting operational and data-driven decision-making by analyzing transactional and customer data across the platform. My role involves working with large datasets related to orders, shipments, and customer activity to ensure accurate reporting and provide insights that help the business track performance and improve operational efficiency. I regularly use SQL, Excel, and BI reporting tools to extract, clean, and analyze data, as well as build dashboards that help stakeholders monitor key metrics such as customer engagement, order fulfillment, and revenue performance. I also investigate data discrepancies across operational systems and reporting platforms, ensuring that business reports reflect accurate and reliable information.
Education
2013-2018
Materials and Metallurgical Engineering
Materials and Metallurgical Engineering is a branch of engineering that focuses on the study, development, processing, and application of materials, particularly metals and their alloys. The field combines principles of physics, chemistry, and engineering to understand the structure, properties, and performance of materials under various conditions. As a student in this discipline, I studied: Physical and mechanical properties of materials Extraction and refining of metals Heat treatment and phase transformations Corrosion and material failure analysis Materials selection and design for engineering applications The course also covers advanced materials such as ceramics, polymers, composites, and nanomaterials, preparing graduates to work in industries like manufacturing, automotive.