Dr Ashley Miller is a Consultant in Anaesthesia and Intensive Care Medicine in the UK, with clinical and academic interests in cardiovascular physiology, haemodynamics, critical care ultrasound and intravenous fluid therapy. He is a national lead for the FUSIC Haemodynamics programme, an Intensive Care Society Trustee, and co-founder of the IV fluid safety charity Turning the Tide. His work focuses on translating physiology and ultrasound into practical bedside decision-making in critically ill patients.