Mr O’Callaghan started his NHS consultant post in Gloucestershire NHS Foundation Trust in 2025. Having graduated from the University of Southampton in 2012 he obtained initial training through the academic foundation programme in Cardiff with basic surgical training in Bristol. Jamie completed his Trauma & Orthopaedic training within the Severn deanery. He has undertaken two high volume complex spinal fellowships. One of which focused on adult and paediatric spinal deformity in Taunton, Somerset and the second in London, Ontario Canada which combined Orthopaedic and Neurosurgical spinal surgery.