How do I determine which community of practice to join? KB Admin, ATD Updated September 02, 2017 15:00 Follow Choose your communities based on your interests and job scope in the talent development field. When choosing your communities, keep your career path and goals in mind. Related articles I am an ATD member; how do I get my Public Manager login? What is a community of practice? I’m interested in writing an article, blog, or book. Whom should I contact? How much does it cost to join a community in addition to the ones that come with my membership?