Dr James Rooney qualified in Dental Surgery from Queens University in Belfast 1998. He then underwent a year long training mentorship under a specialist in oral surgery and prosthetics in Derry, where he obtained his Certificate of Completion of Vocational Training from the Northern Ireland Medical and Dental Training Agency. In 2000 he obtained Membership in Conscious Sedation and Anxiety Control. James was Clinical Director of a dental practice in Bangor, County Down for 16 years.

He has been a trainer of dentists for the Northern Ireland Medical and Dental Training Agency for 5 years. He was an examiner for the Royal College of Surgeons, General Dental Council and the Eastman Dental Hospital in London for 3 years. 

He has an interest in facial aesthetics and headaches and has undertaken extensive studies and courses in these areas. He has a Certificate in Botulinum Toxin and Facial Aesthetics from Medics Direct in Manchester and an advanced certificate in facial aesthetics from Genesis Academy in Amritsar, India. James has been successfully treating patients with migraines for the past 20 years and is a member of the International Association for Study of Headaches. He has published a number of papers in the journal Stress Medicine.