Welcome On behalf of the organising committee, I would like to invite you to participate in the 2009 IEEE Congress on Evolutionary Computation (IEEE CEC 2009) to be held at the Nova Conference Centre and Cinema, Trondheim, Norway during May 18-21 (Monday - Thursday), 2009. CEC 2009 will be the eleventh occurrence of this major event in the evolutionary calendar. This is the first time IEEE CEC has