Responding to demand for high-quality customer experience, firms have adopted agile to innovate. When these digital initiatives scale, however, any enterprise program management maturity they lack becomes evident. Consistent disciplines are essential, but past portfolio management office (PMO) failures make application development and delivery (AD&D) pros leery. This report discusses how modern PMOs take a center-of-excellence approach to strike the right balance, building competencies, delivering them in a lightweight service-oriented approach, and stripping away bureaucracy.