Prof. Beate Timmermann is the Director of the Particle Therapy Clinic and is the Head of Medicine at the West German Proton Therapy Centre in Essen (WPE), at Essen University Hospital. As a specialist in radiotherapy and radio-oncology with many years of experience in the field of applied proton therapy, she will discuss radiation treatments for chordoma patients at the Zoom-Cafe Germany. (presentation is in German).