The participants involved in a JAD session are as follows −
An executive sponsor is the person who drivers the project ─ the system owner. They normally are from higher positions and are able to make decisions and provide necessary strategy, planning and direction.
Subject Matter Expert
These are the business users and outside experts who are required for a successful workshop. The subject matter experts are the backbone of the JAD session. They will drive the changes.
He chairs the meeting; he identifies issues that can be solved as part of the meeting. The facilitator does not contribute information to the meeting.
Key users or also called as super users in some instances have been used interchangeable and differs from company to company still. Key users are generally the business users who are more tightly aligned to the IT project and are responsible for the configuration of profiles of their team members during the projects.
For Example: Suppose John is a key user and Nancy, Evan are users of a SAP system. In this instance, Nancy and Evan does not have access to change the functionality and profile whereas John being a Key user has access to edit profile with more authorizations.
The JAD approach, in comparison with the more traditional practice, is thought to lead to faster development times and greater client satisfaction, because the client is involved throughout the development process. In comparison, in the traditional approach to systems development, the developer investigates the system requirements and develops an application, with client input consisting of a series of interviews.