Dev Roy qualified in Medicine from the University of Poona, India in 1988 and became a Fellow of the Royal College of Surgeons, Edinburgh in 1994. He then under went ENT and Head & Neck Cancer training in both Glasgow and Liverpool. He has also undergone training in Cosmetic Surgery at the University Hospital Pasteur in Nice, France and has passed the Intercollegiate Board examination in ENT that is conducted by all four Royal Colleges in 2001.

He has undergone examination by the American Board in Facial Plastics and Reconstructive Surgery and is European Board certified in Facial Plastic Surgery in 2002.

Following completion of his accredited higher surgical training at the Glasgow Royal Infirmary Glasgow and The Royal Liverpool University Hospital, Liverpool he was appointed as Consultant ENT Surgeon in 2002 at St. John's Hospital and Broomfield Hospital, Chelmsford, Essex, UK.

Dr. Roy has written 30 Research Papers in International Journals and given 50 International lectures in the last 5 years.

Currently, he has been appointed as Consultant ENT, Head and Neck Cancer and Facial Plastic Surgeon at Apollo Gleneagles Hospital, Kolkata.