Meet with all stakeholders and influencers on the project.
A general discussion on the web application, the reason for it and what niche it is expected to fill.
Identify the expertise needed to discuss what was said in greater depth, the personnel chosen will form a team.
The team -
1. The team must be given an outline of its boundaries and what decision can be made.
2. Must represent the organization from senior to junior employees
3. Must be present most of the meetings