Matthias Kahl received the Dipl.-Inf.(FH) Degree in Computer Science at the University of Applied Science Schmalkalden with the specialization of intelligent information systems in 2010. The Diplom thesis was done at the Fraunhofer Institute for Digital Media Technology in Ilmenau and belonged to Music Information Retrieval. During these studies, he worked as a freelancer in several companies in Germany. After that, Matthias worked as a Software Engineer in a company which is specialized in energy forecasting systems and four years later in a company which produces Hard and Software Solutions for brain research as a Software Engineer for brain wave analysis. Right now he is working on his Ph.D. at TUM in the main topic of Energy Informatics, Energy Information Retrieval, and Non-Invasive Appliance Recognition.