Mr. Chehata is a Melbourne Orthopaedic Upper Limb Surgeon with a particular interest in Elbow, Shoulder, and Wrist pathology.

Ash was born in Essendon and attended Penleigh and Essendon Grammar School. He graduated from the University of Tasmania and performed 3 years of his undergraduate medical degree at the Royal College of Surgeons in Ireland.

He is internationally trained in keyhole and minimally invasive surgery with a special interest in the use of growth factors (hyaluronic acid derivatives), plasma-rich platelets, and stem cell research.

He completed his Orthopaedic Training in Victoria and has undergone further training in shoulder, elbow, and wrist injuries whilst on International Fellowships within Europe. He was awarded the Covidien Travelling Fellowship through the Royal College of Surgeons in order to further his subspecialty interest in Shoulder, Elbow, and Wrist pathology.

Whilst overseas he was able to work alongside the President of the European Shoulder and Elbow Society, Professor Alessandro Castagna, and was involved in Kinematic Wrist research and clinical practice at the renowned international center Institute Kaplan in Barcelona.