Joachim R Ehrlich MD is currently Head of Cardiology and Electrophysiology at St Josefs-Hospital, Wiesbaden, Germany. He completed his internship and residency training in medicine in 2001 at Goethe-University, Frankfurt, Germany and gained a fellowship in basic cardiac electrophysiology at the Montreal Heart Institute, Montreal, Canada. Following a fellowship in cardiology at Goethe-University, Dr Ehrlich gained German Cardiac Society certifications in interventional cardiology and electrophysiology in 2014. Dr Ehrlich has specific scientific expertise in basic cardiac electrophysiology, with a focus on atrial fibrillation research. He is also highly experienced in pharmacological management of cardiac arrhythmias, oral anticoagulation, cardiac resynchronisation therapy, genetically determined cardiac arrhythmia syndromes and risk stratification for sudden cardiac death. Dr Ehrlich is a Fellow of several scientific organisations, including the American Heart Association, the Heart Rhythm Society, the European Heart Rhythm Association and the European Society of Cardiology, among others. He is on the editorial boards of several scientific journals, including Heart Rhythm, the Canadian Journal of Cardiology and the European Journal of Arrhythmia & Electrophysiology.