Welcome to Volume 9 To begin this new look volume of E: CO we have, among others, brought together a special collection of papers and articles that are drawn from no less than three recent complexity conferences. All of the academic and practitioner section papers were selected from the recent ANZSYS/ISCE collaboration that resulted in the International 11th ANZSYS / Managing the Complex V conference that was held December 5-7, 2005 in Christchurch, New Zealand. The purpose of this event was to provide a lively forum for discussion and debate for a wide range of academics and practitioners...