As the delivery-side PM, you are running the entire engagement with the developers and system architects and business analysts reporting to you on your project team. The project is yours to run and theirs to perform on. Your customer has a point person – usually the project sponsor – who you report to, give status reports to, is your main point of contact and has complete interest in what you and your team are doing. And they can make decisions with and for you which is especially helpful when they need to be made quickly...