Remigijus Gustas is a full professor at the Department of Information Systems, Karlstad University. He holds a diploma in system engineering (1979), a doctor (1986) and a docent (1991) diploma in the area of information systems. Remigijus Gustas is the head of the research group on enterprise and system architecture design. In 1999, Remigijus Gustas was granted a Habilitated Doctor degree in the area of information system engineering. Remigijus Gustas is a member of IFIP WG 8.1. His main teaching subjects are system analysis and design, advances in information system modeling, object-oriented modeling, database systems, and enterprise modeling. Remigijus Gustas has been involved in a number of industrial and European information technology projects. He was leading projects in the area of enterprise modeling, service-oriented analysis and design, e-business modeling, and software technologies. Remigijus Gustas has acted as a reviewer of contributions for several journals. He was chairing and serving as a program committee member in a number of international conferences. Remigijus Gustas is the author of one monograph and more than 80 publications. His research interests lie in the area of conceptual modeling, semantic and pragmatic aspects of service architectures, information system analysis and design, enterprise modeling and integration. Remigijus Gustas is a founder and editor-in-chief of the International Journal of Information System Modeling and Design.