Alexander is a professor at the department Artificial Intelligence and Human Interfaces. He is deputy head of the division Human-Computer Interaction, leading the Car Interaction Lab and member of the senate of Salzburg University. His background is in Computer Sciences. Currently, he is focusing on persuasive interaction technologies, automotive user interfaces, contextual user experience and challenges of automation for HCI.

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. With the increasing of automation in different contexts (e.g. industry 4.0 or automated driving). Alexander is researching how user experience is affected by automation and how to design interaction for an automated world.

Alexander is a distinguished author, has presented his work at various conferences, and given keynotes on automation and driving experience. He is an active member of the HCI community, has organised several workshops, and was actively involved in the organisation of different conferences (e.g., AmI 2009, AutomotiveUI 2011, PERSUASIVE 2016).