He is Deputy Director of the Center for Human-Computer Interaction. His background is in Computer Sciences. Currently, he is focusing on persuasive interaction technologies, automotive user interfaces, and contextual user experience. In particular, Alexander is interested in how different kinds of modalities can be blended to help people to change their attitudes and behavior to achieve their goals. His focus within automotive interaction lies in driver persuasion by means of ambient light, driver distraction research, and UX in autonomous vehicles.