Data Entry Clerk
Resume:
JOHN GAIUS MAICHIBI
Remote Reporting Assistant Data Support Specialist Excel & Power BI Reports
Abuja, Nigeria
************@*****.***
PROFESSIONAL SUMMARY
Meticulous and business-minded Reporting Assistant with a trained background in data analysis and a knack for transforming disorganized datasets into clear, actionable insights. With proven expertise in Excel, Power BI, and accurate data entry, I bring structure, clarity, and reliability to reporting workflows. Known for my ability to clean, organize, and compile reports that decision-makers trust, I help remote teams stay informed and efficient. Seeking a role where I can provide high-value reporting support while continuing to grow into business analytics.
WORK EXPERIENCE
Reporting & Sales Data Support- Oxford Test Prep — Nigeria 2023-NOW Entered and validated high volumes of sales data into reporting templates.
Entered, organized, and cleaned large datasets used for performance reviews.
Supported business reporting processes by ensuring data accuracy and formatting consistency.
Provided administrative support to the academic team through structured file organization and spreadsheet management. Data Analyst Intern- Quantum Analytics NG (Remote) 2025 Transformed raw datasets into clean, usable formats. Verified data integrity for internal reports used in client-facing projects.
Built dashboards in Power BI to reveal trends, anomalies, and actionable insights.
Sales Data Analysis Job Simulation - TATA Group
(Remote)
2025
Simulated business scenario working with sales data for Tata’s CMO/CEO.
Cleaned and modeled messy sales data, applied metrics, and presented findings via dashboard.
Developed formatted reports and dashboards used in simulated business meetings.
EDUCATION
UDUS, SOKOTO STATE
MA English Language
Expected 2025
UNIMAID, BORNO STATE
BA English Language
2014
CORE SKILLS & TOOLS
Excel Reporting & Report
Formatting
CERTIFICATIONS SELECTED PROJECTS
https://linkedin.com/in/john-gaius-m
datascienceportfol.io/maichibijohn
Data Cleaning, Validation &
Entry (Excel, Power Query)
Data-Driven Decision
Support
Accuracy, Speed, and
Attention to Detail
Simulated real business scenarios
Digital Marketing Spend Review - Power BI
Simulated a marketing spend analysis project to identify high- and low-ROI channels across digital platforms. Insight: Showed how businesses can optimize $31M in ad spend by eliminating waste and scaling high-performing channels
Retail Sales Trend Report- Power BI
Explored sales trends and customer behaviors across product categories and demographics. ·Insight: Helped align seasonal promotions and inventory with actual consumer demand patterns. Hotel Booking Demand Analysis – Excel
Analyzed booking data to uncover patterns in cancellations, ADR trends, and guest behavior. ·Insight: Demonstrated how hotels can reduce overbooking risk and optimize pricing strategies. Data Analyst Track Training
Cert– QA (2025)
Data Science & Analytics –
HP LIFE (2025
Introduction to Career Skills
in Data Analytics – LinkedIn
Learning (2025)
IBM Data Fundamentals –
IBM (2025)
Data Visualization– TATA
Group (2025)
Accuracy, Speed, and
Remote Collaboration
Administrative & Business
Support
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