Dr Gill qualified in 2003 in Birmingham, where he also conducted his basic training. He then moved to Wales to carry out specialist training in Emergency Medicine. He has developed a specific interest in pre-hospital care in the civilian environment, working in retrieval and transfer medicine both in the UK and abroad. Dr Gill has previously worked as a senior pre-hospital care doctor on the Great Western Air Ambulance in Bristol. His particular interests include pre-hospital trauma resuscitation, airway management and clinical governance.

In 2012, Dr Gill started working with stakeholders in Wales to develop an all-Wales Emergency Medical Retrieval and Transfer Service (EMRTS Cymru). The Service went ‘live’ on the 27th April 2015 and Dr Gill was one of its first National Directors.

In the Emergency Department, Dr Gill is the lead for trauma reception and resuscitation, having spent a significant period of time working at the Alfred Trauma Centre in Melbourne, Australia. He has been involved in transforming the care of trauma patients in the ED at Morriston Hospital and is actively involved in the Major Trauma Centre Development Project. He has also published in the area of major trauma with articles in several journals including the Emergency Medical Journal.