Real Estate Financial Model in Excel

I'm seeking an expert in Microsoft products and Excel to build a comprehensive Real Estate Financial Modeling system. The model should cater to detailed property analysis, investment forecasting, and cash flow management, among other features.

Key System Features:
- In-depth property evaluation
- Predicting investment returns
- Managing cash flow
- Implementing a Tier-1, Tier-2, Tier-3 Waterfall Modeling
- Structuring a Joint Venture (JV) within the model
- Accounting for disproportionate returns
- Applying an intricate waterfall logic and structure
- Summarizing distributions and cash flow

The top priorities for this project are detailed property analysis, investment forecasting, and cash flow management.

The system should be capable of integrating with various data sources:
- Manual data entry
- External databases
- SharePoint

Ideal candidates should have extensive experience with Excel and Microsoft products, and a deep understanding of real estate financial modeling. Prior experience in developing similar systems will be a significant advantage. Please provide examples of relevant projects in your proposal.