Intro
I'm Mary Precious Oguche — a Data Analyst, Data Entry Specialist, and Virtual Assistant with a passion for precision and problem-solving. With hands-on experience in Power BI, Excel, and SQL, I help businesses uncover trends, clean datasets, and build dashboards that drive decisions. But I don't stop at data, I also offer virtual support to keep your operations organized, your communications professional, and your projects on track. Whether you need actionable analytics or seamless administrative backup, I deliver accuracy, efficiency, and a positive attitude every time.
logistic performance dashboard
This dashboard provides a 360-degree view of logistics performance, tracking key metrics across revenue, fleet efficiency, safety, and driver productivity. Built with Power BI, it visualizes:
Financial Performance: Total revenue (₦262.53M), fuel costs (₦95.59M), and revenue trends across 2022–2024.
Operational Metrics: Total trips (85K), deliveries (171K), and incidents (170) for safety monitoring.
Customer & Route Insights: Top 5 revenue-generating customers and highest-cost routes for strategic decision-making.
Driver Productivity Leaderboard: Tracks average MPG, revenue per mile, and on-time delivery rates to identify top performers.
This dashboard enables logistics managers to optimize routes, reduce costs, and improve delivery efficiency, all from a single, interactive interface.
Excel Project
This Excel dashboard provides a comprehensive view of sales performance across products, cities, and sales representatives. It enables stakeholders to quickly identify top performers, profitable products, and cost drivers.
Key Metrics Tracked:
Product Profitability: Laptop A13 leads with ₱105.3M in profit, followed by Desktop PC D21 (₱68.6M) and Smartphone Z10 (₱51.9M).
Performance: Lagos has the highest Cost of Goods Sold (₱493.8M), followed by Kano, Port Harcourt, and Abuja—highlighting regional cost variations.
Sales Rep Ranking: Peter emerges as the top revenue generator, with clear visibility into individual performance.
Monthly Trends: May identified as the worst-performing month, signaling a need for seasonal strategy adjustments.
This dashboard empowers sales managers to optimize product mix, reward top talent, and address underperforming regions or periods.
Virtual Assistant Project
This section of my portfolio showcases my capabilities as a Virtual Assistant and Data Entry Specialist, demonstrating my ability to streamline operations, maintain data integrity, and deliver top-tier administrative support remotely.
Key Projects Include:
Professional Service Website: A clean, user-friendly website I built to outline my virtual assistant services, packages, and offerings which is designed to attract and convert clients.
Personal Branding Website: A creative website showcasing my life story, cultural background, and personal journey which highlighted my ability to translate personality into compelling digital experiences.
Data Entry & Management Projects: Accurate data entry, cleaning, and verification using Excel and database systems which ensured 98%+ accuracy and data integrity for business decision-making.
AI-Powered Projects: Explorations into how artificial intelligence can enhance virtual assistance, from automating workflows to improving client communication.
These projects reflect my commitment to precision, professionalism, and leveraging technology to solve real-world problems.
About
MARY PRECIOUS OGUCHE
Data Analyst | Data Entry Specialist | Virtual AssistantI'm Mary Precious Oguche — a Data Analyst, Data Entry Specialist, and Virtual Assistant with a passion for precision and problem-solving. I help businesses turn raw data into actionable insights while keeping operations organized and efficient.
With hands-on experience in Excel, Power BI, SQL, and Python, I build interactive dashboards, clean datasets, and deliver accurate reports that drive informed decisions. I also provide reliable virtual support from email management to website design in ensuring seamless administrative workflows.
Certified in Data Analytics, Data Entry and Virtual Assistance, I bring a unique blend of technical expertise, administrative excellence, and a commitment to delivering high-quality results.
What I Do:
Data Analysis: Dashboards, trend analysis, and business intelligence using Power BI & Excel
Data Entry: Accurate data cleaning, verification, and management (98%+ accuracy)
Virtual Assistance: Email management, scheduling, correspondence, and administrative support
Contact