Prof., Dr.Med.S., MD Oleg Sychov graduated in 1989 from O. Bogomolets Kiev Medical Institute. Operating from 1989 to the present has been working in National Research Center "Institute of сardiology named after M. Strazhesko" of the National Academy of Sciences of Ukraine, Kyiv. In 1992 he defended his Ph.D. thesis in cardiology. In 1996 he defended his doctoral dissertation. Headed since 1999 Department of Clinical Arrhythmology and Electrophysiology. Head of the working group on arrhythmias of the Association of Cardiologists of Ukraine since 2004. President of the Association of Arrhythmologists of Ukraine since 2010. Vice President of the Association of Cardiologists of Ukraine since 2020. Member of ESC and EHRA. Author of more than 850 scientific papers.