Dr. Holger Schrödl works as a research assistant in the workgroup of business informatics at the Otto-von-GuerickeUniversity Magdeburg. His work covers architectural issues of information systems. Special interest is engineering methods for information systems design and applications. The Central focus of his work is the construction and operating of it-based services in large, distributed it service markets. He studied mathematics and informatics and has beside his research work an industry background in information systems engineering.