Gray joins the Primary Care Trust from the security industry. She spent the past six years at the British Security Industry Association, most recently as the Association's PR and marketing communications manager.
Gray said: 'I am delighted to be joining NHS Warwickshire while the communications team is being reshaped. I look forward to embracing the challenge that a change of sector will bring.
She will report into director of communications Martin Turner.
Turner recently became one of the first chartered PR practitioners in the UK and is the only NHS comms professional to achieve this status.