Dr. Takumi Yamada is currently Assistant Professor of Medicine at the University of Alabama at Birmingham in the United States of America. He was born in Tottori, Japan. He graduated from Faculty of Medicine, Nagoya University and was trained in Japan. His specialty is pharmacological and non-pharmacological treatments of cardiac arrhythmias. He has more than 150 scientific publications including book chapters. He is an internationally recognized authority in the treatment of ventricular arrhythmias. He is a regular lecturer at several international cardiology and electrophysiology meetings. He has served as a book editor, and an associate editor and reviewer for 20 major international cardiology and electrophysiology journals.