Sanjay Popat, BSc, MBBS, FRCP, PhD, The Royal Marsden NHS Foundation Trust, London, UK, discusses the importance of molecular testing and using these findings to achieve the best possible treatment outcomes. Prof. Popat highlights the formation of the Genomic Laboratory Hubs (GLHs) in England, which will help to coordinate the national approach to providing molecular diagnostic tests to patients. This interview took place at the 18th British Thoracic Oncology Group (BTOG) 2020 congress held in Dublin, UK.