About the Authors

Guido Schmutz has worked as a software developer, IT consultant, lead architect, trainer, and coach for more than 20 years. As head of the Application Development area of the Trivadis Technology Center, he has written numerous technical publications, developed IT strategies, courses, and technocircles and spoken at international conferences. Guido Schmutz is responsible for innovating, designing, and implementing many data warehouse, customer relationship management (CRM), customer satisfaction measurement (CSM), management information system (MIS), and Enterprise Application Architecture (EAI) solutions for international banks, pharmaceutical companies, public authorities, and logistics companies. He specializes in enterprise architecture, bi-temporal data management, Java Persistence, and the Spring framework. You can contact him at <[email protected]>.

Daniel Liebhart has more than 20 years experience of IT, and 10 years experience of managing IT services and product development. His industry and technical knowledge covers the design, architecture, implementation, and operation of complex, international systems in telecommunications, financial services, logistics, and the manufacturing industry. Daniel Liebhart is passionate about IT. He has received a number of awards and he gives lectures on software architecture and business informatics at the Hochschule für Technik in Zurich. You can reach him at <[email protected]>.

Peter Welkenbach works as a consultant, senior architect, and trainer in the fields of requirement engineering, object-oriented methodologies, software engineering, and quality management. He has more than 20 years experience of designing and implementing complex information systems for banks, automotive manufacturers, and pharmaceutical companies. For 10 years he has been a technology evangelist for Java technology and the use of the corresponding frameworks in customer projects. His current technical focus is model-driven software development, the Unified Modeling Language (UML), aspect-oriented programming, Java Server Faces (JSF), asynchronous Java Script, and XML (AJAX) and architecture design methodology. Peter Welkenbach is a course developer, author of numerous publications, and speaker at JAX and international Oracle conferences. He has been using Spring in numerous customer projects since it first appeared in summer 2003. You can get in touch with Welkenbach at <[email protected]>.