NAMIC membership  levels are defined by job titles.

Platinum ($275) is for those who are: Presidents, Executive Vice Presidents, Senior Vice Presidents, Vice Presidents, General Managers, Executive Directors, Directors, Deputy Directors, Assistant/Associate Directors, Content Producers, Creative and Programming Executives

Gold ($150) is for those who are: Managers, Supervisors, Account Executives, Independent Contractors and Freelancers

Silver ($75) is for those who are: Coordinators, Customer Service Representatives, Associates, Assistants, Technicians, Installers and other titles with no budget or managerial responsibility. This also includes recent college graduates. 

Student ($60) is for those who are: Designed for full-time undergraduate or graduate students enrolled in an accredited institution. Student ID required. Voting rights excluded.