When leading a project, the project manager and team usually want to get as much accurate input into the current business processes and what they need to be when the solution is implemented.  The project sponsor can envision, champion, and hopefully fund the project, but as far as giving the project manager and team a real world technical expertise in this area…well, he usually doesn’t quite cut it.  For what really needs to happen, who will be affected, how things really need to ‘work’ upon implementation, the project manager must track down end users and technical support individuals for the solution in the customer organizations.  These individuals are what are called subject matter experts, or SMEs.

via The Subject Matter Expert | Project Management Tips || Project Management, Collaboration and Knowledge Management Blog.