Joseph DeMaio — Data & BI Analyst

Turning Data Into Insight

I’m a Data & BI Analyst with strong experience in Power BI, SQL, workflow analysis, and business intelligence reporting. I specialize in transforming raw data into clear, actionable insights that support decision‑making.

View My Power BI Projects

What I Do

Power BI dashboards and data modeling
DAX calculations and performance optimization
SQL queries, data cleaning, and ETL logic
Workflow and process analysis
Clear documentation and BI storytelling