Mr Jayathillake graduated from the University of Melbourne in 1996. He then moved to New Zealand and undertook his training in Urology leading to Fellowship of the Royal Australasian College of Surgeons (FRACS).

In 2007/08 he completed fellowships in Urological, Oncology, Laparoscopic and Robotics surgery at University of Miami, USA.

His training enables him to offer a broad range of services in urology including urological laparoscopic surgery.