Public Relations Society of America"Chartered in 1947, the Public Relations Society of America (PRSA) is the world’s largest and foremost organization of public relations professionals. PRSA provides professional development, sets standards of excellence and upholds principles of ethics for its members and, more broadly, the multi-billion dollar global public relations profession. We also advocate for greater understanding and adoption of public relations services, and act as one of the industry’s leading voices on the important business and professional issues of our time." From http://www.prsa.org/AboutPRSA/#.U58l_5RdVIE