During his medical training, and following his Certificate of Completion in General Surgery, he practised in the NHS, in the military and in New Zealand, all roles which enabled him to acquire the skills that he continues to use to benefit his patients today.  

John has been an Upper GI and General Surgery Consultant at Worcestershire Acute NHS Trust since 2014. John is committed to continued professional development, and to ensure that his skillset and knowledge continues to be current, he attends educational courses, conferences, and meetings. He has written and contributed to publications relating to his area of expertise and has presented at conferences in the UK and abroad.

John is currently a member of the faculty of surgical trainers with the Royal College of Surgeons of England, a trainer with Advanced Trauma and Life Support, Care of the critically ill patient and an endoscopy trainer. Undergraduate teaching commitments include Senior Academy Tutor and a validated examiner for Birmingham University Medical School, where he teaches and lectures medical students. In addition, he is a reviewer for the British Medical Journal.