Dr. Emilia Mendes has worked in software development and management for 10 years, before obtaining her PhD and becoming a full-time academic in Computer Science at the University of Auckland, NZ. She is the principal investigator in the Tukutuku Research project, which aims to collect data about Web projects and use it to develop Web cost estimation models and to benchmark productivity across and within Web Companies. She is the director of the WETA (Web Engineering, Technology and Applications) research group. She has presented numerous lectures, conference presentations and workshops on Web cost estimation and chaired an industry workshop in January 2004 on Web cost estimation and productivity benchmarking (Auckland, NZ). She has provided consulting for Web companies on Web cost estimation, usability and process improvement. She is part of the organising committee for the 2005 International Conference on Web Engineering and is co-chairing a workshop on Web measurement and metrics at the 2005 World-Wide Web conference. Dr. Nile Mosley is Director of MetriQ (NZ) Limited which specialises in the development of time and project management software tools. He has co-authored with Dr. Mendes several conference and journals papers on Web cost estimation and Web sizing.