Masato Eto is Professor of International Research Center for Medical Education, University of Tokyo Graduate School of Medicine, Japan. During the stay in Zurich, he worked in Prof. Thomas F Luscher's Cardiovascular Research Team to identify signaling pathways leading to endothelial dysfunction from 1999 to 2004. Since coming back to Tokyo, he has continued endothelial research to identify the molecular mechanisms of endothelial cellular aging (ATVB 2008;28:1634, JACC 2009;53:2298, Endocrinology 2010;151:1822, ATVB 2010;30:2205). For teaching activities, Prof Eto is a program director of clinical clerkship for medical students at University of Tokyo. He is also a national committee member of Japanese Examination for Medical Doctor License and Japanese Model Core Curriculum for Undergraduate Medical Education.