Dr Martin Gray is a Consultant Paediatrician at Chelsea and Westminster NHS Foundation Trust, where he is Clinical Lead for Paediataric Critical Care and Divisional Information Officer for Emegency & Integrated Care. He is also Paeditric Intensivist at The Harley Street Clinic.

Dr Gray studied and worked at the Toronto Hospital for Sick Children and McMaster University in Canada, Great Ormond Street Hospital in London and The Children’s Hopsital at Westmead in Sydney, Australia. He has been a consultant since 2005, and has held positions at McMaster University, St George’s Hospital, in addition to his present role and at The Harley Street Clinic.

Dr Gray's experience of children’s critical care around the world gives him great expertise, particularly in children with cancer or neurological conditions who need intensive care. He also is dedicated to providing care for critically ill babies and children, working for over ten years as part of the Paediatric Intensivist Group who provide a paediatric critical care service to The Harley Street Clinic, Part of HCA International.

Dr. Gray is also a clinical informaticist at Chelsea and Westminster, having also clinically led digital transformation at St George’s and he is a Fellow of the Faculty of Clinical Informatics. This is part of a greater effort to better understand the healthy development of children and his interest in paediatric preventative healthcare. To this end, he co-founded The Bright Futures Clinic which aims to transform the approach to child healthcare from a reactive treatment to illness, to a preventative screening and surveillance therapy.

Dr. Gray is a popular speaker and lecturer.