Barnes qualified from the University of London in 2001.

He developed his clinical expertise whilst holding UK shoulder fellowship posts at Stepping Hill Hospital under the supervision of Mr Matt Ravenscroft and Mr Clive Warren-Smith, followed by an upper limb fellowship at the internationally renowned Wrightington Upper Limb Unit. 

In addition to his surgical qualifications, he has a BSc in Neuroscience and an MSc in Trauma Surgery.

Barnes is listed on the GMC Specialist Register for Trauma & Orthopaedic Surgery & his GMC Registration no. is 6029559