Tobias has been working in the area of user experience for over 10 years. Currently, he is responsible for the user experience on the inside—development—and outside—training and consulting—at Infragistics. At Siemens, he held senior R&D positions at Corporate Technology, Corporate Research, and Medical Solutions, in both Germany and the U.S. Tobias earned a PhD in Economics and Social Sciences, from Universität Kassel, in Germany. He has reviewed papers for several international technical journals and conferences and has published more than 30 articles. He is a member of ACM, HFES, and UPA.