Mary Chidi

Mary Chidi

Data Analyst & Educational Content Creator | Excel & Power BI | Author of The Data Driven Beginner | Building HealthTech Solutions

Remote, Nigeria.

Data Analyst

Data analyst and educator dedicated to making data analytics accessible to beginners and business owners. With hands-on experience analyzing real-world datasets across retail, healthcare, finance, and supply chain domains, I translate complex data into actionable insights. Beyond analytics, I simplify technical concepts through educational content, published The Data Driven Beginner (5+ sold), and am building ClinicflowAI—a healthtech startup focused on AI-powered diagnostic solutions. Passionate about continuous learning, mentoring others, and driving impact through data-driven decision-making.

Skills

Reporting

Communication

Remote Collaboration

Analytical Thinking

Spreadsheet Analysis

Microsoft Excel

Advanced: Pivot Tables, VLOOKUP, FORMULAS.

Data Cleaning

Data Cleaning and Validation.

Power BI

Dashboard Design, Dashboard Development.

Problem Solving

Problem solving, Critical Thinking.

SQL

Data Querying, Data Analysis.

Business Analytics

Business Intelligence, Business Reporting.

Educational Content Creation

Work

SELF EMPLOYED

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Author & Educational Content Creator

Remote

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Summary

Created and published The Data Driven Beginner—a practical guide to Excel and data analytics (5 copies sold; ₦3,750 / $3 USD). Built and manage engaged Facebook community with 4,000+ followers focused on beginner data analytics education. Produce high-quality educational content (posts, reels, tutorials) tailored to aspiring analysts and business owners. Dedicate 15 hours weekly: 3 hours content creation, 2 hours book promotions, 10 hours learning advanced tools and building ClinicflowAI MVP. Simplified complex data analytics concepts, making tech accessible to non-technical audiences. Developed content strategy targeting beginners, tech transitioners, young graduates, and aspiring analysts.

BLISS ANALYTICS NG

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DATA ANALYST INTERN

REMOTE, NIGERIA

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INTERNSHIP

Summary

Analyzed 15 real-world datasets spanning retail, healthcare, finance, insurance, and procurement sectors. Built 15 interactive dashboards in Power BI and Excel that enabled stakeholders to make informed, data-driven decisions. Cleaned, validated, and processed large datasets to ensure accuracy and consistency before analysis. Identified key trends, performance metrics, and optimization opportunities that improved revenue, reduced unnecessary spending, and tracked sales growth. Presented insights to cross-functional teams, translating complex data into actionable business recommendations. Completed Bliss Analytics Data Analytics certification (Feb 2026).

Projects

ClinicFlowAI

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Summary

Conceptualized a healthtech startup addressing affordable, AI-powered diagnostic solutions for hospitals and clinics. Selected for IDICE Startup Bridge Founders Lab—a competitive accelerator program for early-stage founders. Currently in idea validation and MVP development phase. Building product vision and technology roadmap; conducting research in AI diagnostics and healthcare operations. Combining data analytics expertise with healthcare domain knowledge to solve real-world diagnostic challenges.

MEDICAL INSURANCE EXPENSE DASHBOARD

MEDICAL INSURANCE EXPENSE DASHBOARD

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Summary

Analyzed medical expense data to identify factors influencing insurance charges and healthcare costs. Findings helped optimize cost management and pricing strategies. TOOLS USED: EXCEL

SUPPLY CHAIN ANALYTICS

SUPPLY CHAIN ANALYTICS

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Summary

Evaluated inventory levels, demand patterns, and operational efficiency across supply networks. Provided recommendations for demand forecasting and inventory optimization. TOOLS USED:EXCEL AND POWER QUERY

E COMMERCE SALES ANALYSIS

E COMMERCE SALES ANALYSIS

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Summary

Identified revenue drivers and customer purchasing patterns to support business growth strategies. Tracked sales trends and provided actionable recommendations for revenue optimization.

TATA ONLINE RETAIL ANALYSIS

TATA ONLINE RETAIL ANALYSIS

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Summary

Analyzed retail transaction data to uncover sales performance metrics, customer purchasing behavior, and product trends. Insights informed inventory and marketing decisions.

Publications

EXCEL BASICS FOR OFFICE WORKPLACE

“EXCEL BASICS FOR OFFICE WORKPLACE” is a beginner-friendly guide designed to help students, job seekers, entrepreneurs, and professionals build practical Microsoft Excel skills for the modern workplace. The book simplifies essential Excel functions, data organization, formatting, calculations, and workplace productivity tools in an easy-to-understand format. With practical examples and real-life office applications, it equips readers with the confidence and digital skills needed to work smarter, improve efficiency, and stand out in today’s data-driven work environment.

THE DATA DRIVEN BEGINNER

A practical, beginner-friendly guide to Excel and data analytics. Covers fundamentals, data cleaning, visualization, Pivot Tables, and business reporting. Designed for aspiring analysts, tech transitioners, and young graduates seeking to confidently begin their data analytics journey. Sales: 5+ copies sold | Price: ₦3,750 / $3 USD | Target: Beginners, career-changers, graduates

Featured Links

The Data Driven Beginner

MY ANALYTICAL PROJECTS

Certificates

ASK QUESTIONS TO MAKE DATA DRIVEN DECISIONS

GOOGLE

CERTIFICATE OF COMPLETION

BLISS ANALYTICS

SQL FOUNDATIONS

MICROSOFT

FOUNDATIONS; DATA, DATA EVERYWHERE

GOOGLE

STATEMENT OF ACCOMPLISHMENT IN INTERMEDIATE SQL

DATA CAMP

STATEMENT OF ACCOMPLISHMENT IN INTRODUCTION TO SQL

DATACAMP

Education

IMO STATE UNIVERSITY

OWERRI, NIGERIA
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IN CLASS MICROBIOLOGY Grade: 3.75

Volunteer

FIRST AID ATTENDANT

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RED CROSS SOCIETY

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Served as First Aid Attendant with the Nigerian Red Cross Society during mandatory national service. Provided emergency medical response and community health support. Demonstrated commitment to civic responsibility and public service.