
MARIO NAVARRO
Data Analyst | Msc in Business Analytics & AI | Double Degree Graduate in Economics and Business
About Me
Hi! I'm Mario, and I'm a Data Analyst with a background in Economics and Business, currently pursuing an MSc in Business Analytics & AI at Imperial College London.I enjoy exploring data, finding patterns, and turning them into insights that are easy to understand and useful in practice. I work with SQL, Python, R, Excel, Tableau, and Power BI to analyse data, automate tasks, and create clear, engaging visualisations.In this portfolio, you’ll find three different data analysis projects, showcasing my approach to exploring data, identifying relevant insights, and presenting findings in a clear and practical way.My goal is to use data and AI to solve real business problems and help organisations make smarter, more informed decisions.
Skills

Excel | SQL | Tableau | PowerBI | Python | R
Analytical Thinking
Business Acumen
Communication & Data Storytelling
Problem-Solving Mindset
Curiosity & Continuous Learning
Collaboration & Teamwork
Featured Projects
SQL | Python | Power BI
Built a predictive model for hospital readmission risk using SQL, Python (Pandas and Matplotlib), and Power BI, to support clinical decisions.


EXCEL | POWER BI
Developed an end-to-end Power BI project for a retail. Extracted ERP data, transformed and modeled it, and created interactive dashboards delivering insights on sales, logistics, and customers.
SQL
Designed and developed an end-to-end SQL project on a retail dataset. Implemented a pure SQL item-item recommendation system using CTEs, window functions, joins, and indexing.

Professional Certifications
My growing list of proprietary, exam-based certifications

IBM Data Science | Issued 2025

Microsoft Office Specialist: Excel Expert | Issued 2024

Google Advanced Data Analytics | Issued 2025