About us Board of trustees Mhari Coxon Mhari Coxon has over 25+ years’ experience in dentistry in the UK and Globally in a variety of practices, associations, faculties and hospital environments. She moved from clinical practice to healthcare marketing in 2010 and holds a masters in marketing alongside her current registration as a dental hygienist. Mhari is passionate about oral health. At present, she is a Global Expert Marketing Manager at GlaxoSmithKline and a fellow of the chartered institute of marketing. Mhari became a trustee for the Oral Health Foundation in 2015 and has been elected to the role of president-elect from 2020 to 2022.