Power BI Sales Dashboard

I need an experienced Power BI developer to create a comprehensive sales performance dashboard. The dashboard will visualize:

- Product sales
- Regional sales
- Sales by salesperson

Data will be sourced from multiple Excel spreadsheets.

Ideal Skills and Experience:
- Expertise in Power BI
- Strong background in sales data analysis
- Proficient in connecting Excel spreadsheets to Power BI
- Ability to create interactive and insightful dashboards

Please provide samples of previous work and a brief outline of your approach.