Dr. Hiroshi Graduated from Faculty of Medicine, Chulalongkorn University. He has post graduate training in the US. He is board certified in Internal Medicine, Allergy Immunology and Rheumatology. He is the head of division of Allergy and Clinical Immunology, department of Medicine at the University. He is the current president of Allergy, Asthma, Immunology Association of Thailand (AAIAT)