Dr. Rillig is associate head of the section of Interventional Electrophysiology at the University Heart and Vascular Center in Hamburg, Germany. He was trained and practiced as a cardiologist and electrophysiologist at the Asklepios Clinic St. Georg between 2010 and 2015. Hereafter he was working as the leading physician of the department of Interventional Electrophysiology at the Charité University Heart Center, Campus Benjamin Franklin, in Berlin from 2015 until 2017. From 2017 to 2019 he worked as a chief resident at the Asklepios Clinic St. Georg and since 2019 he is working at the University Heart and Vascular Center in Hamburg.

Dr. Rillig is a member of the working group of the German Society of Cardiology with a focus on cardiac arrhythmias and constantly supports younger cardiologists with their scientific career. He is also a member of the AFNET Atrial Fibrillation Network and was conducting several substudies of the EAST-AFNET 4 trial. His main focus of research is novel ablation tools and ablation strategies in atrial fibrillation, atrial tachycardia and ventricular tachycardia.