What you might like to know about conference interpreters
Conference interpreters have been specially trained for their demanding work. They are professionals who aspire to provide a professional service to ensure that their clients' events are successful. Conference interpreters who are members of aiic (the International Association of Conference Interpreters, see below) have demonstrated their competence in peer–reviewed procedures and have the credentials to guarantee a professional service ...
Informative material:
PDF document with advice for event organisers and speakers 
(465k)
(Please use Adobe Acrobat-Reader)
External links of interest:
Association Internationale des Interprètes de Conférence
(International Association of Conference Interpreters, based in Geneva)
www.aiic.net
Hired to talk, committed to silence
A newspaper article published in the Berliner Wirtschaft provides insight on the profession of conference interpreter.