Marc Hofmann currently is the Head of the group “deposition and diffusion technologies” at Fraunhofer ISE. He received the Diploma degree in electrical engineering from the University of Applied Sciences Koblenz, Germany in 2003 and the Ph.D. degree in physics from the University of Konstanz, Germany in 2008. Since 2010, Marc is team and group manager at Fraunhofer Institute for Solar Energy systems. Marc Hofmann is paper reviewer for a variety of scientific journals and published more than 100 scientific papers. His work was cited more than 2000 times. Marc supervised more than 50 Bachelor, Master and PhD students creating their thesis.