Advanced Excel Data Visualization

I need assistance with data visualization in Excel. The project involves analyzing a dataset and creating visual representations to highlight key insights.

Requirements:
- Proficiency in Excel, especially in data visualization tools
- Experience with pivot tables and advanced charts
- Ability to present data in a clear, informative manner

The ideal freelancer should have:
- Strong analytical skills
- Experience in creating dashboards
- Attention to detail

Please provide samples of previous work.