He is a former curator of the British Dental Association's museum.[63] 2015–2016 David Siegler[64][65] 2016–2017 Julie Papworth[66] 2017–2018 Catherine Sarraf[66] 2018–2019 Anjna Harrar[67] . 2019 Stephen Challacombe Professor of oral medicine at King's College in London, best known for research in oromucosal immunology and for developing the Challacombe scale for measuring the extent of dryness of the mouth. He led the team that laid out research challenges of global health inequalities and oral health, particularly relating to the oral manifestations of HIV.[68][69]