I am a Critical Care Consultant at the Royal Free Hospital with research interests that include oxygenation in critically ill patients and those undergoing major surgery, mitochondrial function, oxidative stress biology, and exercise testing and training for patients awaiting surgery. I have also been conducting research at high altitude for the last 15 years and am a Director of Xtreme Everest. I am the Director of the UCL Centre for Altitude, Space and Extreme Environment Medicine and course lead for the UCL BSc module in Space and Extreme Environment Physiology. I am the critical care lead for the High Level Isolation Unit at the Royal Free hospital, responsible for patients with viral haemorrhage fever. I am also the Editor in Chief of the Journal of the Intensive Care Society. I am an advocate for academic anaesthetists in training, with roles at the National Institute of Academic Anesthesia (NIAA), National Institute for Health Research (NIHR) and Royal College of Anaesthetists (RCoA). I am also passionate about equality and diversity, sitting on the Division of Surgery Athena Swan committee.