Professor Derk Brouwer is a distinguished professor and former Chair in Occupational Hygiene in the Wits School of Public Health Occupational Health Division. He is an exposure scientist and graduated in chemical engineering and is a certified occupational hygienist (ROH). His PhD thesis focused on occupational exposure to agrochemicals. Prior to his current position, he was principal scientist for the Dutch Research Organization TNO in various (European) projects on NanoSafety & Health. His research is in the field of human interaction with occupational and environmental stressors and focuses on exposure science, measurement strategies, exposure modelling and controls, life cycle driven risk assessment, risk mitigation and the safety of nanomaterials. He has >90 peer-reviewed publications H-index: Google Scholar 37, Scopus 30