Carsten Ziegeler is the chief architect of the Open Source competence center at S&N AG, Paderborn, Germany. His main focus is on Web application design and object oriented component development. He has participated in several Open Source projects and is currently actively involved in various Apache communities. In 2001 Carsten took over the role of the release manager for the Apache Cocoon project. He has been a committer on the project since 2000 and played a major role in designing the current architecture.