Osam Mazda completed his undergraduate course at the Kyoto Prefectural University of Medicine in 1985, and his postgraduate course at the Kyoto University in 1993. He undertook his postdoctoral fellowship supported by the Japanese Society for the Promotion of Science. He has 215 publications with 5647 citations and an h-index of 43 (Scopus, 29 December 2023). His research interests include somatic cell reprogramming, anti-virus immunology, and allergy. He was affiliated with the Kyoto Prefectural University of Medicine as an Assistant Professor (1994–1995) and an Associate Professor (1995–2010). Currently, he is a Professor at the Department of Immunology, Kyoto Prefectural University of Medicine.