One of the purposes of mediation is to give you the opportunity to tell your insurance company your perspective regarding the dispute in a joint session. One of the main reasons a claim goes to arbitration is when the insurer provides a lowball offer and refuses to negotiate.Services include mediation, arbitration, special master assignments and neutral evaluation. JAMS Complex Insurance Practice Group. Fill Out Our VOLUNTEER APPLICATION. Victoria Gerrard Chaney (Ret.) View Profile. Forprofit organization and world's largest provider of arbitration, mediation and other alternative dispute resolution (ADR) services.