This group has a unique task. They are to become familar with the arguments of the nations/organization participants, set up and moderate the summit, and draw up a treaty that all participants will sign at the end of the conference.
Your group should divide up the responsibilities listed above for the first couple days and then come together to discuss how each task will be accomplished. While you will be unable to come up with the treaty before the summit, you can come prepared with bits and pieces that can be pasted together as it comes to a close. Most, if not all, treaties on nuclear testing and disarmant are included in the resources.
When conducting the summit you should consider the following things: