Hajime Sakuma, MD, PhD. Hajime Sakuma is a Professor and Chairman of the Department of Radiology, and a Deputy Director of Mie University Hospital. He is an Immediate Past President of Asian Society of Cardiovascular Imaging. He graduated from Mie University School of Medicine in 1985 and became a board certified radiologist in 1990. In 1991 he moved to Charles Higgins laboratory in University of California, San Francisco, and was engaged in research activities in CMR, such as cardiac spectroscopy, k-space segmented fast cine MRI, myocardial perfusion MRI, coronary MRA and coronary flow measurements. After four and half years stay in San Francisco, he returned to Mie and promoted to an Associate Professor in 1998. He continued and expanded CMR research in Mie, with major fields of research including stress perfusion MRI, LGE and mapping, MR flow quantification, multi-center studies in coronary MRA.