the largest prospective cohort study (LungCast) looking at stopping smoking after a diagnosis of lung cancer. He is lead or co-applicant on grants worth over €25 million, has given invited lectures worldwide on smoking cessation and has written two textbooks. In 2019, he helped create and is the first Medical Director of a government project, Respiratory Innovation Wales (riwales.com). Charlotta Pisinger Charlotta Pisinger is a medical doctor, has a PhD and a masters in public health and is Denmark’s first professor in tobacco prevention. She is a Professor at the University of Copenhagen (Copenhagen, Denmark) and Adjunct Professor at the University of Southern Denmark (Odense, Denmark). She often provides testimony as a national tobacco expert, has written the national smoking cessation guidelines, has published many tobacco-related reports and has presented scientific evidence in the European Union (EU) Parliament. She has written a background paper on e-cigarettes and health for the World Health Organization (WHO) and has been investigator in several large intervention trials. Charlotta Pisinger was, until recently, Chair of the Tobacco Control Committee of the European Respiratory Society (ERS) (2017–2020) and served on the Board of the Danish Society of Public Health (2016–2019). She has also served as a member of the Research Assessment Committee of the Danish Heart Foundation (2015–2017), Vice-President of the Danish Society of Epidemiology (2011–2014) and President of the Danish Society of Tobacco Research (2005–2010). x https://doi.org/10.1183/2312508X.10028020