Dr Jayakody joined the Neurology Department of All Children's from the University of Iowa Children's Hospital, where she completed her residency in child neurology as well as a residency in pediatrics. During her training she was involved in clinical research on childhood optic neuritis. Dr. Jayakody was involved in clinical teaching for general pediatrics residents and medical students.
After graduating from Faculty of medicine in University of Peradeniya, Sri Lanka, she did her internship in the professorial unit of Lady Ridgeway Hospital in Sri Lanka and in general surgery in the National Hospital of Sri Lanka. Dr. Jayakody also has served as Medical Officer in the Special Baby Care Unit at Base Hospital Panadura and as an assistant lecturer in the department of Anatomy at the medical faculty in University of Peradeniya.
Dr. Jayakody is interested in neuromuscular diseases, electro diagnostics and neuro-metabolic diseases. She is a member of the American Academy of Neurology, American Academy of neuromuscular and electro diagnostic medicine and the Child Neurology Society.