Andrew has been in full time practice, dedicated to referral endondontics for eighteen years, and is on the Specialist Register lists for Endodontics and Restorative Dentistry. He was formerly a Senior Lecturer and Honorary Consultant in Restorative Dentistry at University College Hospital in the University of London and continues to lecture widely to postgraduate endodontic audiences.   He is a past President of the British Endodontic Society and was a former partner at the prestigious Lister House Endodontic Practice in Wimpole Street W1.