Master Developer for Downtown San Angelo

The City of San Angelo has a Request for Proposal (RFP) out for a Master Developer.  It states:

The City is looking to reach an arrangement with a Master Developer who will assemble a team acceptable to the City, capable of planning, assembling property, designing, privately financing, and developing the Downtown District into a revitalized mixed-use redevelopment area. The development team will include the private financial resources and urban development experience necessary to secure appropriate properties, negotiate with requisite public and private entities such as the City, utility companies, and state agencies, and design, construct, market, and manage or sell the real estate improvements necessary to fulfill the Downtown Development Master Plan.

Are there any Angel developers out there, given the numerous economic gaps to cover?  The report repeatedly states "Quantify economic 'gap' between project costs and revenues."  Who makes that up?