Aiko Pras is an associate professor in the Departments of Electrical Engineering and Computer Science at the University of Twente, the Netherlands, and a member of the Design and Analysis of Communication Systems Group. He received a Ph.D. degree from the same university for his thesis titled "Network Management Architectures". His research interests include network management technologies, Web services, network measurements, and accounting. He has participated in many European and Dutch research projects, and is currently a research leader in the European Network of Excellence on Management of the Internet and Complex Services (EMANICS). He has contributed to research and standardization activities as a member of the Internet Research Task Force (IRTF) Network Management Research Group (NMRG). He is chairing the IFIP Working Group 6.6 on "Management of Networks and Distributed Systems", is editor of the IEEE Communications Magazine series on "Network & Service Management", associate editor of the International Journal of Network Management (IJNM), and Editorial Advisory Board member for the Journal of Network and Systems Management (JNSM). He is Steering Committee member of the IFIP/IEEE NOMS and IM Symposia (NISC), the International Conference on Autonomous Infrastructure, Management and Security (AIMS), the End-to-End Monitoring Techniques and Services (E2EMon) Workshop as well as the EUNICE Consortium. He was Technical Program Co-Chair of the Ninth IFIP/IEEE Integrated Management Symposium (IM 2005), and the 13th EUNICE Open European Summer School and IFIP TC6.6 Workshop on Dependable and Adaptable Networks and Services.