NDUBUISI IHEANYICHUKWU ONONIWU
Nigeria | - |-| www.linkedin.com/in/ndubuisiononiwu-91bb9336
PROFESSIONAL SUMMARY
Results-driven Data Analyst with 2 years of experience delivering measurable improvements
through data-driven insights. Skilled in analyzing large datasets, creating impactful reports, and
supporting decision-making processes that increase efficiency and profitability. Adept at
translating complex data into clear recommendations for stakeholders across finance and ecommerce industries.
TECHNICAL SKILLS
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Data Analysis & Visualization: Python, Excel, Power BI
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Data Management: Data Cleaning, Mining, Dashboard Creation, Reporting
PROFESSIONAL EXPERIENCE
Data Analyst
Stelmon Technologies Ltd, Rivers, Nigeria | June 2024 – Present
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Analyzed datasets totaling over 50,000 records, identifying trends that contributed
to 20% increase in operational efficiency within 6 months.
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Developed 10+ interactive Power BI dashboards, reducing report generation time
by 40% and enabling real-time KPI tracking for cross-departmental teams.
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Collaborated with 5+ stakeholders to formulate data-driven strategies, leading to a 15%
rise in customer satisfaction over 3 months.
Junior Data Analyst
Stelmon Technologies Ltd, Rivers, Nigeria | June 2023 – June 2024
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Supported data intake and cleaning for over 30 projects, improving data accuracy and
reducing analysis errors by 25%.
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Contributed to 8 detailed reports and presentations, influencing the adoption of a new
marketing approach that increased customer engagement by 10%.
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Conducted customer behavior analysis based on 10,000+ transactions, resulting in
targeted marketing recommendations that raised sales by 8%.
CERTIFICATIONS & TRAINING
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Certified Business Analyst Professional (CBAP), IIBA | Feb 2025
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Certified Data Analyst (CDAP), IIBA | In Progress
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Business Analysis & Data Analytics Courses | Jan 2024 – Jan 2025
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Project Management Certificate, UK | Dec 2013
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QMS Lead Auditor, IRCA UK | Certified
SELECTED PROJECTS
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Supply Chain Optimization Analysis
Analyzed a dataset of 10,000+ supply chain transactions using Excel, identifying key KPIs
that improved delivery times by 12% and reduced costs by 8% through strategic insights.
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Supermarket Financial Insights
Utilized Power BI to analyze 15,000+ supermarket transactions, uncovering customer
purchasing patterns that increased targeted marketing ROI by 20% and boosted sales by
5% over 3 months.
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Regional Product Delivery Performance
Reviewed 8,000+ train shipment records, highlighting regional sales trends and logistics
bottlenecks. Findings supported process changes that decreased delivery delays by 10%
and increased customer satisfaction scores by 7%.
LINKS TO WORK SAMPLES
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Supply Chain Analysis Report
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Retail Financial Analysis Dashboard
PROFESSIONAL MEMBERSHIPS
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International Institute of Business Analysts
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Project Management Institute, USA
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Project Management Consult UK
CORE COMPETENCIES
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Delivering tangible results through data analysis, increasing efficiency and sales.
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Transforming complex data into clear, actionable insights.
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Collaborating with teams and stakeholders to implement strategic improvements.
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Managing multiple projects independently while meeting deadlines.
