They have to deal with the personalities, the conflicts, and the pushing, pulling and posturing that often occur in insurance disputes. Without needing to be a technical expert, an insurance mediator does need to know the language and the terrain of the subject matter of the dispute. For considerations in selecting a mediator generally, go to Mediators . Lawyers may go to Lawyers . If there is some piece of information or report which you may or may not need to resolve the case, it's okay not to get it for the mediation.
Mediation is a very flexible process.
If you find when you're into the mediation that you will need the information or report after all, you can simply adjourn the mediation until you've got what you need and then re-convene the mediation and carry on. If the parties don't reach a final agreement on all issues, the mediator will discuss other processes they may use to resolve the dispute. Two that can be used in insurance disputes are arbitration and expert evaluation. For any unresolved issues, the mediator can help the parties prepare a written agreement submitting those issues to arbitration or expert evaluation. In some cases, parties can submit specific issues to arbitration or expert evaluation and then return to mediation to conclude a final resolution of their overall dispute.