Nobuo Nishi is Dean and Professor at the Graduate School of Public Health, St. Luke's International University. Before joining his current role in 2023, he had a long career as Chief (2009-2023) of the International Center for Nutrition and Information at the National Institutes of Biomedical Innovation, Health and Nutrition. He also worked in different capacities as Assistant Chief (2007-2009) and Section Chief (2004-2009) at the Department of Epidemiology (Hiroshima) of the Radiation Effects Research Foundation, as well as Associate Professor at Department of Hygiene and Preventive Medicine of Iwate Medical University (2002-2004).He served Japanese Society of Public Health as Editor-in-Chief (2015-2020). He has been appointed a Vice President of Japanese Society of System Dynamics since 2024. His main research interests are on social epidemiology, social ecological model, and system dynamics. He holds a PhD in Social Medicine from Osaka University, an MSc in Clinical Epidemiology from University of Montreal and an MBA from Doshisha Business School.