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Mario S
@mario_silva84
Data and BI Analyst specialized in Power BI, DAX and SQL
Argentina
Spanish, English
About me
I turn scattered data into Power BI reports a business can actually decide with. Seven years doing exactly this inside Santander's technology arm: 10+ dashboards for corporate areas, a Tableau to Power BI migration, and ETL automation that cut manual reporting work by 99 percent.
I build on a proper star schema model, not a flat table, with documented DAX measures and row level security. I also automate recurring reports in SQL, Python and Power Query, and fix slow or untrustworthy reports.
Native Spanish. Intermediate written English.
Skills
Mario S
Offline •
See my services
Data Dashboards
I will build an interactive power bi dashboard from your excel or sql data
Automations
I will automate your recurring excel and sql reports with power query and python
