Guilherme R.

@grostirolla

Power BI Dashboards, Excel and Power Query

Brazil

Portuguese

About me

I turn spreadsheets into clear dashboards and repeatable reports. My professional experience at Grupo Bertolini includes BI and automation supporting six companies. I work with Power BI, Power Query, DAX and Excel to organize data, build indicators and make reporting easier to maintain. I can help with sales dashboards, spreadsheet cleanup, report updates and troubleshooting. Before starting, I review a sample, confirm the business rules and define the deliverables, revisions and exclusions. My portfolio demonstrations use fictional data.... Read more

Skills