After qualifying from Newcastle University with honours and distinction in 1989, Gill practised in Belper before joining Tutbury in 1990. Gill is passionate about dentistry and has completed many postgraduate courses over the last 30 years, ensuring Gillian is up to date with the latest dental advice and treatments.

Gill provides general dentistry, orthodontic treatment and facial aesthetics. Gillian's an experienced provider of adult orthodontics using Six Month Smiles, a cosmetic teeth straightening treatment that enables her to straighten teeth using fixed braces and near-invisible aligners. Gill has many years' experience providing facial aesthetics and has trained with top cosmetic practitioners in the country to study advanced techniques and technologies. In 2014, she trained in Belgium to provide minimal invasive dentistry using tooth-coloured fillings. Gill has also undertaken training at The Dawson Academy, studying tooth wear, uncomfortable bites, and clicking joints. Gillian also uses dental lasers in her work, which can enhance treatments including crowns, veneers and periodontal treatment.