Dr. Jarvis felt it important to understand the organization to whom he was presenting his talks. Referencing their history and mission, in some way, was a good way to begin talks and build the trust of his audience. The 15 organizations included in this guide offer a wide variety of audiences that may find your message of value. The guide consists of information taken verbatim from a number of sources. It is enough to give you an understanding of the organization. Further research of your own, about the local chapters of these organizations, will help you to tailor your talk even more to your locale. These organizations provide many needed benefits to many people and may provide you with many many opportunities to hone your speaking skills and sell you message.