David K. Ferry is a Regents' Professor Emeritus in the School of Electrical, Computer, and Energy Engineering at Arizona State University, Tempe, AZ. He is a Fellow of the American Physical Society, the Institute of Electrical and Electronics Engineers, and the Institute of Physics. He researches nanostructure devices and quantum transport and has published more than 900 scientific articles and books. Xavier Oriols is a Full Professor of Electronics at the Universitat Autònoma de Barcelona (UAB). He studied Physics and received his doctoral degree in Electronic Engineering from UAB in 1999 with an extraordinary doctoral award. He worked at the Institut d’Électronique de Microélectronique et de Nanotechnologie, in France and was a Visiting Professor at The State University of New York. His research covers a wide spectrum, from fundamental issues of physics to practical engineering of nanodevices. Josef Weinbub is an Associate Professor at TU Wien, an IEEE Senior Member, and the current Vice Chair of the Modeling and Simulation Technical Committee of the IEEE Nanotechnology Council. He held visiting researcher positions with Silvaco, Inc. and the Universities of Edinburgh and Glasgow. He conducts research in computational micro- and nanoelectronics and has published over 200 journal and conference articles.