Dr Krishnan is Internationally renowned as the creator of one of the world's most popular adult cosmetic orthodontic systems - CFAST (Cosmetically Focused Adult Straight Teeth).

He qualified from Dundee University in 1993 and his practice, Lubiju in Edinburgh, was Highly Commended as best Specialist Practice in Scotland and voted Best Private Practice in East Scotland. Dr Krishnan has also been recognised as one of Scotland's outstanding dentists.

Dr Krishnan lectures extensively nationally and internationally primarily on cosmetically focused orthodontics, in which he has pioneered revolutionary new concepts using the C-FAST Adult Cosmetic Orthodontic System which he personally developed. He has published in many journals internationally and recently authored the first book on cosmetic orthodontics.

He is on the board of the British Academy of Restorative Dentistry and the editorial board of Aesthetic Dentistry Today