Benjamin Franz received his doctorate in engineering; his UX-related dissertation on highly automated driving was awarded the Walter Rohmert Research Prize. In his jointly founded and managed company, Custom Interactions, he focuses on user interface design. He also works as a lecturer and a keynote speaker.

Michaela Kauer-Franz has a doctorate in psychology with a focus on product design and user experience. Together with Benjamin Franz, she founded the data-driven UX agency Custom Interactions, which they manage together. She also contributes her extensive experience as a trainer, a lecturer at Technische Universität Darmstadt, a speaker, and on an International Organization for Standardization (ISO) committee.