Dr. Roel Vermeulen is a Professor of Environmental Epidemiology and Exposome Science at the Institute for Risk Assessment Sciences (IRAS), Utrecht University and at the Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, The Netherlands. He is the director of the International Exposome Center (I3CARE), and co-chair of the Personalized Health and Medicine Program of Utrecht Life Sciences at Utrecht University. Dr. Roel Vermeulen has served on many international committees including including the WHO and the National Toxicology Program in the US. He is a member of the Dutch Expert Committee for Occupational Standards of the Dutch Health council. He is elected chair of the International Commission on Occupational Health (ICOH), Scientific Committee on Epidemiology in Occupational Health (EPICOH).