Mr Jeyaretna is the Lead Neurosurgeon for the Oxford University Hospitals Skull Base Surgery Programme. He graduated from the University of Southampton and underwent registrar and skull base surgery training at Frenchay Hospital in Bristol. His clinical practice focuses on the surgical treatment of complex skull base lesions with open and endoscopic techniques. He co-delivers the radiosurgery service at Oxford with his radiation oncology colleagues.

He completed post-doctoral research at Massachusetts General Hospital and Harvard Medical School with an interest in tumour biology. He continues to collaborate with scientists at Oxford University on translational research models of brain tumours. His current research interests are in developing and integrating artificial intelligence technology into the skull base surgery service at Oxford.

He has a strong interest in the training of the next generation of surgeons and is the Training Programme Director for the Oxford Programme and Co-Director of the Oxford Skull Base Surgery and Neurovascular Fellowship. Mr Jeyaretna is regular faculty on skull base surgery dissection courses internationally including the World Federation of Neurosurgical Societies, Royal College of Surgeons England and Director of the Oxford Skull Base Course.