Radoslaw Lenarczyk is a professor at the Department of Cardiology, Congenital Heart Defects and Electrotherapy, SUM, Silesian Centre for Heart Disease in Zabrze. Radoslaw does research in cardiology, with the focus on clinical electrophysiology, pacing, defibrillation, and cardiac resynchronization therapy. He was a co-chair of the Scientific Initiative Committee, a member of the Scientific Documents Committee of the European Heart Rhythm Association and of the Executive Board of the EORP Atrial Fibrillation III Registry. Currently he is a member of the ESC Council on Stroke Scientific Documents Task Force. He was an coordinator of the research team in the task no 2 of the GRANT ID 269343, STRATEGMED II, is a member of Executive Committe in the EORP AF III Registry and National Coordinator in the international Project- PROFID (Horizon 2020).