Gunther Lenz is a pioneer in the field of software factories. He received a master's degree (Dipl. Ing. Univ.) in electrical engineering from the Technical University of Munich, Germany. He spent five years working on research and product development of a high-performance medical image-processing system, under FDA regulation. In addition to his project experience, Gunther was also a core member of the Software Engineering Process Group (SEPG), which defined, implemented, and optimized the software development process. In 2002, Gunther joined Siemens Corporate Research in Princeton, New Jersey, where he is a program manager in the software engineering department. His current research activities focus on model-driven software development (MDSD), model evolution, and software factories. Within Siemens, Gunther leads the global research efforts in the areas of software factories and Microsoft technologies. Gunther is the author of .NET: A Complete Development Cycle (Addison Wesley, 2004) and has published many articles in different software development magazines, focusing on a variety of software engineering topics. Furthermore, Gunther has received the Microsoft "Most Valuable Professional" Solution Architect award and is an invited member of the Microsoft Software Design Review Team. He frequently presents at international conferences on subjects related to his research area.