Roles of the National Tour Association

Site Name: The National Tour Association 
URL: www.ntaonline.com
Background Information: The National Tour Association is a non‑profit organization of tour
companies. Their mission is to foster professionalism in the tourism industry by supporting
education, research and industry relations for the benefit of the traveling public.
Answer:
What is the purpose of the National Tour Association?
Why would someone join the organization (what are the benefits)?
Would you want to work for this or an organization similar to this, why or why not?