Sean Semple, PhD, is Senior Lecturer at the Respiratory Group, University of Aberdeen. Sean is an expert in human exposure science with interests in occupational epidemiology, tobacco control and the health effects of air pollution. He has conducted a program of translational research focused on air quality measurement and interventions relating to second-hand smoke, biomass fuel smoke and workplace inhalation hazards. Sean has supervised 9 successful PhD students with a further 5 in progress and is author of over 150 research publications and editor of text-book ‘Monitoring Health Hazards at Work’ (translated in to Chinese, 2012). Sean is chief investigator or co-investigator on research projects valued >£3M since 2009 and his publications have a current H- index of 24.