Dr. Hiroshi Okada is a Head of Department of Endocrinology and Diabetology Matsushita Memorial Hospital, Osaka, JAPAN. He has completed PhD in the Graduate School of Medical Science, Kyoto Prefectural University of Medicine, JAPAN, 2014. His work experience is 2016-present Head of Department of Endocrinology and Diabetology Matsushita Memorial Hospital, Osaka, JAPAN. He has conducted epidemiological studies on Diabetic kidney disease, the risk of type 2 diabetes. He is a Board Certified Diabetologist (by the Japan Diabetes Society), Board Certified Internal medicine specialist (by the Japanese Society of Internal Medicine), Board Certified Specialist (by the Japan Society of Metabolism and Clinical Nutrition). He has received Grand Award, Japanese society of hospital general medicine: Beppu, JP (2018), Grand Prize, Japanese Society of Limb Salvage & Podiatric Medicine.: Kobe, JP (2016).