Dr. Domenico Giovanni Della Rocca works at Heart Rhythm Management Center, Postgraduate Program in Cardiac Electrophysiology and Pacing, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, European Reference Networks Guard-Heart in Brussels, Belgium. Dr. Della Rocca is the Guest Editor of the Special Issues “Atrial Fibrillation: Clinical Updates and Perspectives” and “Cardiac Arrhythmias: New Insights into Diagnosis and Treatment” in MDPI. Dr. Della Rocca’s research interests mainly focus on atrial fibrillation, catheter ablation, PFA, paroxysmal atrial fibrillation, persistent atrial fibrillation, stroke prevention, left atrial appendage occlusion, cryoablation, one-shot ablation, and neuromodulation. His scientific output includes 220 publications in various journals with an h-index of 25 (Scopus, January 2024).