CERN will be hosting the third edition of TEDxCERN, 9 October 2015. The theme for the 2015 event is “Breaking the rules”.
Speakers can be nominated here.
TED is a not for profit organization devoted to Ideas Worth Spreading. It started out (in 1984) as a conference bringing together people from three worlds: Technology, Entertainment, Design. The two annual TED conferences, bring together the world's most fascinating thinkers and doers, who are challenged to give the talk of their lives (in 18 minutes or less).