2007 Board Certified Member of the Japanese Society of Internal Medicine 2010 Fellow of the Japanese Society of Internal Medicine (FJSIM) 2014 Board Certified Fellow of the Japanese College of Angiology: Vascular Specialist 2015 Japanese Medical Emergency Care Course (JMECC) Provider 2015 Japanese Immediate Cardiac Life Support (ICLS) Provider 2015 Fellow of the Society of Cardiovascular Computed Tomography (FSCCT) 2015 Board Certified Member of the Japanese Industrial Physician 2016 Japanese Immediate Cardiac Life Support (ICLS) Instructor 2016 Japanese Medical Emergency Care Course (JMECC) Instructor 2016 Board Certified Diabetologists of the Japan Diabetes Society 2017 Board Certified Member of the Japanese Society of Hypertens 2017 Fellow of the American College of Physicians 2017 Fellow of the American College of Cardiology 2017 Fellow of the European Society of Cardiology 2018 Fellow of the American Heart Association