The American Marketing Association (AMA), one of the largest professional associations for marketers, has 38,000 members worl ... dwide in every area of marketing. For more than six decades, the AMA has been the leading source of information, knowledge sharing and development in the marketing profession. The Iowa chapter of AMA (AMA Iowa) currently counts more than 350 members. They are employed by a wide variety of businesses, agencies, non-profit organizations and educational institutions, representing most of Iowa's leading companies. read more