What are the benefits to joining an ATD community of practice? KB Admin, ATD Updated October 14, 2016 19:23 Follow By joining a community of practice, you will have a more personal experience with ATD, and content and offerings will be easily accessible. We are constantly working to refine our communications with you based on your community selections. Related articles I’m interested in writing an article, blog, or book. Whom should I contact? Are there special national ATD membership rates for chapter leaders? What is a community of practice? What benefits do I receive with my ATD membership? What resources do the communities of practice have?