Excel Data Visualization & Live Update Setup

I'm seeking an Excel expert to help me manage and visualize performance grades. The project involves:

- Creating tables to breakdown grades according to different units and ranks
- Interlinking multiple Excel sheets for live updates
- Utilizing formulas and functions for these live updates

Ideal Skills:
- Advanced Excel skills, particularly with formulas and functions
- Experience in data visualization
- Ability to interlink Excel sheets

I'm looking for someone who can transform this data into a comprehensive and interactive overview of performance grades.