From the ATA website:

About ATA

ATA is a professional association founded to advance the translation and interpreting professions and foster the professional development of individual translators and interpreters. Its over 10,000 members in more than more than 100 countries include translators, interpreters, teachers, project managers, web and software developers, language company owners, hospitals, universities, and government agencies.

An elected Board of nine directors and four officers is responsible for managing ATAโ€™s goals and activities.