Dr Rajkumar Kanagaratnam graduated from University of Sydney in 1989 with Bachelor of Dental Surgery. Following many years of general dental practice Raj has dedicated his practice of dentistry to Oral Surgery since 2007.

Raj has completed postgraduate studies at the University of Sydney pertaining to oral surgery, including course work Graduate Diploma (Surgical Dentistry) and research studies Masters of Philosophy (oral surgery) and Doctor of Clinical Dentistry (Oral Surgery) leading to the title of Oral Surgeon. He is currently a lecturer in Oral Surgery, University of Sydney Westmead Hospital Campus, a position held since 2002.

Raj is a Visiting Dental Officer in Oral Surgery at a number of private hospitals including Dudley Private.