What is the umaine ama?

The American Marketing Association is one of the largest professional associations for marketers. UMaine AMA is one of many collegiate chapters of this organization.

American Marketing Association: Mission Statement
The American Marketing Association is a professional association for individuals and organizations involved in the practice, teaching and study of marketing worldwide. Our principal roles are:

Improving
Advancing marketing competencies, practice and thought leadership.
Promoting
Being an advocate for marketing and promoting its importance, efficacy and ethics.
Supporting
Being an essential resource for marketing information, education/training and relationships.