Stefan Schaffer studied communication science and computer science at TU Berlin. His research interests are multimodal human-computer interaction, model-based usability evaluation and user modeling. He has joined the Research Training Group prometei and is currently working towards his PhD thesis in the domain of model-based usability evaluation of multimodal systems.

Julia Seebode is working towards her PhD thesis at the Research Training Group prometei and the Quality and Usability Lab at the TU Berlin, Germany. Her research focuses on mobile interaction and system feedback of multimodal systems. She studied science of communication and physics at TU Berlin and received her magister degree in 2009. She is holder of a research science scholarship of the German Research foundation since 2009.

Monika Elepfandt is a researcher and Ph.D. student at the Research Training Group prometei at the TU Berlin, Germany. Her research interests are in multimodal, touchless interaction and interaction with large wall displays. She received her diploma in psychology from TU Berlin in 2009. The focus of her studies was engineering psychology and usability. She is a scholarship holder of the German Research foundation since 2010.

Robert Schleicher is a senior researcher at the Quality & Usability Lab of the Telekom Innovation Laboratories (TU Berlin) since 2006. He studied psychology in Bonn and New York City. In 2008, he finished his PhD thesis on psychophysiology, eye movements and emotions at the University of Cologne. His research interests in Human Computer Interaction are mobile devices, affective computing, and user experience.

Tuuli Keskinen is a researcher and Ph.D. student at the School of Information Sciences at the University of Tampere, Finland. Her research focuses on evaluating subjective user experience on multimodal systems. She received her M.Sc. in Interactive Technology from University of Tampere in 2010, and has worked at the Tampere Unit for Computer-Human Interaction since 2008. She has been an author in more than 10 publications, and currently has a non-funded position in UCIT ? Doctoral Program in User-Centered Information Technology.

Tomi Heimonen is a researcher at the School of Information Sciences at the University of Tampere, Finland. He received a M.Sc. degree in Computer Science from University of Tampere in 2004 and is scheduled to complete his doctoral degree in Interactive Technology in 2012. He has worked with design, implementation and evaluation issues of interactive systems since 1999 at the Tampere Unit for Computer-Human Interaction. His current research interests include gesture-based interaction and pervasive interactive spaces. During 2006?2009 his Ph.D. research was funded by UCIT ? Doctoral Program in User-Centered Information Technology. 

Markku Turunen is a professor at the School of Information Sciences at University of Tampere, Finland, where he directs the Speech and Pervasive Interaction research group, a part of Tampere Unit for Computer-Human Interaction. He received his Ph.D. in Computer Science from the University of Tampere and also holds an adjunct professorship in interactive technology. His research interests are in multimodal mobile and pervasive applications and their architectures.