Financial Goals Spreadsheet Development

I'm seeking an Excel expert to build a complex financial spreadsheet. This tool will help business owners and investors calculate savings goals and targets for achieving desired income by a future date.

Key Requirements:
- Data Entry Area: Should include inputs for:
- Current balances
- Lump sum deposits and withdrawals
- Earnings rates and tax rates
- Ages and target dates
- Scenario Building: Must allow for:
- Best case, worst case, and most likely case scenarios
- Various saving strategies

Ideal Skills and Experience:
- Advanced Excel proficiency
- Financial modeling experience
- Attention to detail and accuracy
- Ability to create user-friendly interfaces

Looking forward to your proposals!