Dr Keith Doonan received a Bachelor of Dental Surgery at the Royal London Hospital School in 1993. Additionally, he obtained a Masters in Prosthodontics at King's College London.

Dr Doonan is a highly versatile Cotton Tree dentist who specializes in implant surgery, advanced crowns, bridges, wisdom tooth extraction, composite bonding, teeth whitening and smile makeovers.

On top of being a resident practitioner at Sunshine Coast Smile Centre, he is also heavily involved in tutoring fellow dentists about implantology via hands-on courses and lectures.

Keith shares an affiliation with several notable dental organisations particularly the Royal Australian College of Dental Surgeons.