Gerd Balzer, born in 1946, received his PhD in 1977 at the Technische Universität Darmstadt. He worked seventeen years as head of the electro-consulting department at BBC/ABB. From 1994 to 2011 he served as a Professor for Electrical Power System at the Technische Universität Darmstadt. During this period, he was actively involved in asset management, networking planning, insulation coordination and network integration of renewable energy. He is currently engaged in a number of activities organized by the International Council on Large Electric Systems (CIGRE). Christian Schorn, born in 1964, studied electrical engineering at the University of Saarland in Saarbrucken and at the Karlsruhe Institute of Technology. He has been working at EnBW Energie Baden-Württemberg AG since 1996, holding different leadership roles within the grid segment in Germany and other European countries. He founded and supervised the department of technical asset management, responsible for network planning, technical standardization, budget controlling and policy development for electricity, gas and water at all voltage levels and pressure stages at the DSO Netze BW (former EnBW Regional AG). At the end of 2013 he took the position as Group Expert Grid at EnBW AG. In addition, he is an active member of the International Council on Large Electric Systems (CIGRE).