Prof. Dr. Hartmut Stadtler is professor of Business Management at the University of Hamburg. Formerly, he held a chair at Darmstadt University of Technology (1990–2004). From 1987–1990 he was employed as a consultant in the field of production management. He has published numerous articles about operations and supply chain management in international journals like International Journal of Production Research, Management Science, Operations Research, OR Spectrum and Production and Operations Management. He has been department editor for the Zeitschrift für Betriebswirtschaft and a member of the editorial board of the International Journal of Production Research. Dr. Christoph Kilger is partner at Ernst & Young Advisory and head of Supply Chain & Operations in Germany, Switzerland and Austria. Before, he served for 13 years as a member of the executive board of J&M Management Consulting AG, Mannheim. At J&,M Christoph was responsible for the consulting practices, human resources and knowledge and quality management. From 1996--1999 he worked as project manager with KPMG Consulting. He has in-depth experience in supply chain transformation programs, APS implementations, product life cycle management, manufacturing, logistics and IT. Christoph holds a PhD in computer science from the University of Karlsruhe and is regularly giving lectures at the Karlsruhe Institute of Technology (KIT). He is the responsible organizer of the yearly conference Supply Chain Days Heidelberg. Prof. Dr. Herbert Meyr worked at the department of Production and Logistics at the University of Augsburg from 1994–2003, at the Vienna University of Economics and Business Administration from 2003–2006 and at the Technical University of Darmstadt from 2007–2011. After finishing his PhD thesis about “Simultaneous Lot sizing and Scheduling for Continuous Production Lines” in 1999, he changed his research interest to model buildingand integration aspects of supply chain planning. He currently holds a chair for Supply Chain Management at the University of Hohenheim, Stuttgart, Germany.