Bob Luther Onyebuchi Mbeku

BOB-LUTHER ONYEBUCHI MBEKU PORT-HARCOURT, NIGERIA, AFRICA - -LinkedIn: https://www.linkedin.com/in/bob-luther-mbeku274aa0236/ Portfolio: https://bob-luther.github.io/Portfolio/ PROFESSIONAL SUMMARY Results-driven Data Analyst with a strong background in data wrangling, data visualization, and business reporting. Proficient in SQL, Python, Excel, Power BI, and Tableau. Proven track record of optimizing data accuracy (99.9%), automating workflows, and reducing invoice processing time by 300%. Adept at transforming complex datasets into actionable insights to support strategic decision-making. Strong understanding of ETL pipelines, data governance, and KPI development. WORK EXPERIENCE Data Analyst & Account Assistant Amecron Nigeria Limited, Port Harcourt Automated invoice tracking and implemented standardized invoice templates, reducing invoice dispatch time by 3×. Minimized billing discrepancies and improved invoice acceptance rate to 99.999% through rigorous data validation and compliance checks. Performed monthly data cleansing and audits on large datasets to maintain 99.9% data integrity. Updated and maintained customer and vendor databases using Excel and SQL to support real-time reporting. Delivered accurate monthly sales reports and reconciliations to stakeholders, reducing billing disputes by 60%. • • • • • Data Analyst Intern – Support Operations Amecron Nigeria Limited, Port Harcourt • • • • • • • • • • Oct 2024 – Dec 2024 Developed and deployed interactive dashboards using Tableau and Excel for executive reporting. Increased reporting accuracy by 20% by cleaning and preprocessing data using Python (Pandas, NumPy) and SQL. Conducted statistical analysis to identify key trends, influencing sales and marketing strategies. Automated repetitive data processing tasks, saving up to 40% of analyst work hours. Collaborated with marketing and operations teams to align data models with business goals. Office Assistant – Data Support Prof. Kenneth Yongabi Anchang (Imo state University), Owerri • Mar 2025 – May 2025 Supported data lifecycle processes including data collection, transformation, and analysis using Excel and SQL Server. Created and maintained KPI dashboards in Power BI and Tableau to track sales and operational metrics. Managed invoicing, receipts, and service entry (SE) records for consistency and compliance. Participated in business intelligence reporting and workflow optimization projects. Data Analytics Intern 3signet Limited, Remote • May 2025 – Present Jan 2023 – Dec 2024 Aggregated and structured datasets for academic research using SPSS, SQL Server, and Excel. Prepared reports, documentation, and presentation materials aligned with data accuracy standards. Supported administrative functions and data-driven documentation processes. Data Entry Operator & Community Moderator Skull Ludo NFT, Remote Aug 2022 - Nov 2022 Maintained NFT community data and performed structured data entry and analysis using Tableau and Excel. Ensured 100% accuracy in data entries through manual verification and auditing. Managed community engagement and activity tracking to support user behavior analytics. Entry-level Data Analyst & Community Manager Solapp Crypto, Remote • • • Apr 2022 - Aug 2022 Created SQL queries and reports to analyze user behavior and product performance. Built Excel-based dashboards that improved business decision-making speed by 30%. Presented data insights to stakeholders to guide strategy and product decisions. TECHNICAL SKILLS • • • • • Programming Visualization Data Management Tools Soft Skills • • • • • Python (Pandas, NumPy), SQL (MySQL, MS SQL Server) Power BI, Tableau, Excel (PivotTables, Charts), SPSS Data Cleaning, ETL, Data Validation, KPI Tracking Microsoft Office Suite, Google Sheets, Salesforce Analytical Thinking, Communication, Collaboration, Problem Solving EDUCATION Bachelor of Science (B.Sc.) in Microbiology Imo State University, Nigeria | 2017 – 2022 • Developed strong analytical and research skills through scientific training and coursework. • Applied statistical methods for data interpretation during laboratory-based research projects. Professional Certifications & Specialized Training Data Analysis Certification – 3Signet LTD, 2024 • Data Analysis (Python, Excel, Power BI) – Udemy, 2023 • SQL Server for Data Analysis – Alison, 2022 • Copywriting for Business & Digital Marketing – Alison, 2018 • All certifications involved hands-on project work, assignments, and practical assessments focused on data analytics tools, data cleaning, reporting, and dashboard design.