Daniel Abou-Ras is senior scientist at the Helmholtz Center Berlin for Materials and Energy, Germany. He obtained his PhD at ETH Zurich, Switzerland. In 2005, he was awarded the MRS Graduate Student Gold Award at the MRS Spring Meeting. His research interests are correlative approaches in scanning as well as transmission electron microscopy, mainly applied on semiconductor devices.

Thomas Kirchartz is professor in the Department of Electrical Engineering and Information Technology at the University Duisburg-Essen and head of the Division for Organic and Hybrid Solar Cells at the Institute of Energy and Climate Research 5 - Photovoltaics at the Research Center Julich, Germany. Previously he was Junior Research Fellow in the Department of Physics at Imperial College London, UK. He obtained his degree in Electrical Engineering and Information Technology from the University of Stuttgart, Germany, in 2006 and his PhD from the RWTH Aachen, Germany, in 2009.

Uwe Rau is full professor at the Faculty Electrical Engineering and Computer Science of the RWTH Aachen, Germany, since 2007 and head of the Institute of Energy and Climate Research 5 - Photovoltaics at the Research Center Julich, Germany. He obtained his PhD 1991 from the University Tubingen and was scientific group leader from 1995-2007 at the Universities of Bayreuth and Stuttgart.