EPHOR (Exposome Project for Health and Occupational Research) is a 5 year project funded by the EU which started in January 2020. Within EPHOR a consortium of 19 EU partners within 12 countries will apply the exposome concept to study working life health. The ultimate aim of the project is to develop a working-life exposome toolbox containing tools, methods and data for three groups of stakeholders: health scientists, policy makers and occupational health practitioners. This project will thereby lay the groundwork for evidence-based and cost-effective prevention to improve health at work. For more information please visit our website: www.ephor-project.eu.