Graeme MacLaren is an adult and paediatric Intensive Care Physician, Director of Cardiothoracic Intensive Care at the National University Hospital, Singapore, and Associate Professor at the Yong Loo Lin School of Medicine, National University of Singapore. Since 2005, he has been also been working as a Paediatric Intensive Care Physician at The Royal Children's Hospital, Melbourne, Australia. Assoc.Prof MacLaren graduated from the University of Melbourne and trained in critical care medicine before undertaking additional post-fellowship training in infectious diseases. He also has a Master of Science degree in Infectious Diseases from the London School of Hygiene and Tropical Medicine. His professional interests include sepsis and critical illness.