Uli Lemmer received a BSc. in physics from RWTH Aachen University in 1990 and a PhD from the University of Marburg in 1995. From 1995 to 1996, he held a postdoctoral position with the University of California at Santa Barbara, USA. He was with the University of Munich from 1996 to 2002. In 2002, he was appointed a full professor and Director of the Light Technology Institute, KIT. Since 2006 he has also been the coordinator of the Karlsruhe School of Optics and Photonics (KSOP), and since 2013 he has been a professor at the Institute of Microstructure Technology (IMT) at the Karlsruhe Institute for Technology (KIT). Furthermore, he heads the device physics competence center within the Innovation Lab in Heidelberg. His research interests are in the technology and applications of printable organic and inorganic semiconductors.