SEMPO (Search Engine Marketing Professional Organization)
http://www.sempo.org

SEMPO, a global non-profit organization serving the search and digital marketing industry and the marketing professionals engaged in it. Its purpose is to provide a foundation for industry growth through building stronger relationships, fostering awareness, providing education, promoting the industry, generating research and creating a better understanding of search and its role in marketing. SEMPO includes thousands of professionals across 50 countries. SEMPO's education and outreach initiatives are funded in part by Google, Baidu, Catalyst Online, Digital Brand Expressions, WordStream and supported through partnerships with SMX, SES, OMS, MediaPost and GroupM Search. For more information or to join visit http://www.sempo.org/.