Dominik Bial is a student and research assistant at University Duisburg-Essen. During his first years at university he was employed by the IT company Four2b as a working student. There he developed JavaME/J2EE applications and was also responsible for Server administration. Since March 2008 he worked as a student assistant in Prof. Dr. Albrecht Schmidt’s team until he became a research assistant in April 2010. From September 2009 to February 2010 he visited Lancaster University where he wrote his Bachelor thesis about bimanual interaction with touchpad and mouse. At the moment Dominik is mainly interested in public display architectures and interaction as well as mobile services.