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 What is a community of practice? Why should chapter members join ATD? What is a Power Member? How do I determine which community of practice to join?