RICHARD HUBERT is an accomplished software architect who has won numerous international awards for large-scale software systems and architectural tools. As founding director of Interactive Objects Software GmbH (iO), he leads a large team of professional architects who apply Convergent Architecture across diverse industry segments. In 2000, iO introduced its Architectural IDE for MDA, ArcStyler. The author is also an active contributor to the OMG's MDA standardization effort.