ROEL WAGTER is Chairman of R. Wagter Business and ICT Architecture B.V. and has more than thirty years of experience in the information technology field. He has held numerous managerial positions in which he gained experience in the alignment between business and IT. These experiences are the foundation for his ideas on enterprise architecture.

MARTIN van den BERG is Chairman of the architecture section of the Dutch Society of IT Professionals, and an enterprise architect and service line manager with Sogeti Nederland B.V. He advises and trains companies in applying enterprise and IT architectures. In addition, he develops services to support organizations to improve the way they work with enterprise and IT architecture.

JOOST LUIJPERS is an information architect with Sogeti Nederland B.V. Prior to joining Sogeti, he was a professor of information engineering.

MARLIES van STEENBERGEN has more than ten years of experience as an enterprise architect. She now works for Sogeti Nederland B.V. as an advisor and coach in the field of enterprise architecture, and chairs Sogeti's Architectural Competence Network.