Where can I review the ATD Competency Model? KB Admin, ATD Updated November 16, 2018 16:44 Follow The 2013 ATD Competency Model can be accessed at www.td.org/compmodel. Related articles When is the ATD Competency Model going to be updated? How much does the APTD cost? Where can my chapter purchase ATD-branded merchandise? How do I access the ATD Elements: Self-Paced Learning Library? What topics should I study if I do not wish to purchase preparatory materials from ATD?