Design-Build has many advantages over the traditional system where an owner himself hires an architect for design, engineers for technical trades, interior designers and a builder for construction. These are all independent people running independent businesses. Coordination between these individual teams while keeping track of the overall performance and progress of the project can get very challenging, often long and tortuous.
The roots of the Design-Build system came from the nineteenth century figure of the Master Builder men (in that century only men were involved in construction) who had the highest respect from their peers and clients, due to their mastery and knowledge.