Mr Felton is one of a small group of UK otolaryngologists to have completed a paediatric ENT fellowship in North America. This was based at the University of British Columbia in Vancouver, Canada, and provided extensive training in the management of children's ENT diseases. His main focuses are ear disease (otology), and disorders of the adenoids and tonsils in children and adults.
Mr Felton has presented at numerous international conferences including the British Association of Paediatric Otolaryngology and the American Academy of Otolaryngology. He has published extensively in the field of otolaryngology and has additionally authored book chapters on neck lumps in children.
Mr Felton holds membership of the British Association of Otorhinolaryngologists, the British Association for Paediatric Otolaryngology, the British Society of Otology and the Royal College of Surgeons UK.