This episode has a surprise guest for Roland: His supervisor of the doctoral thesis more than 25 years ago, Günter Ries. He is the reason Roland is working for Siemens today. Günter showed him the power of Siemens – combining theory and practice. Once, he designed a C-magnet for tomography on a piece of paper. It went on to become a best seller. Be it life, leadership or technology, Günter left a deep impression on Roland. Ultimately, he is the reason he joined Siemens.

In this episode Günter and Roland talk about their work on high temperature superconductors and they share some stories from the past.