Power BI Dashboard Development

I'm seeking an experienced Power BI developer to create a comprehensive dashboard using dummy data. The dashboard will primarily serve Google Insights.

Key requirements:
- Visualize customer data across three dimensions: demographics, purchase history, and customer feedback.
- Demographics focus: Only location data is needed.

Ideal Skills and Experience:
- Proficiency in Power BI
- Experience with data visualization
- Ability to work with dummy data
- Strong analytical skills

Please provide samples of previous Power BI dashboards.