From Wikipedia, the free encyclopedia. A business architect is a practitioner of business architecture, a discipline concerned with developing and maintaining business capabilities of the enterprise in line with the corporate strategy as well as contributing to the business strategy and plans.iven that the business architecture as a distinct discipline is relatively young, the role of a business architect is often relative to the organization. A business architect can operate on one or more levels of the organization depending on the level of maturity of the architecture practice within that organization.