Frank K. Wolf works as a consultant focusing on data modeling, data warehouse architecture, and the implementation of complex reporting environments using SAP BW and SAP BusinessObjects BI. He works at Triple A Consulting GmbH & Co. KG in Eschborn, Germany.

Stefan Yamada implements large, global SAP BW customer projects as a freelance consultant. His work focuses on backend development and data modeling. He holds a degree in Information Management from the Johannes Kepler University in Linz, Austria.