Associate Professor Kluckow is a senior clinician at Royal North Shore Hospital, a teaching hospital of the University of Sydney, Australia. With his Sydney based research group, he has led the development of neonatal haemodynamics and point of care ultrasound in the neonatal unit for the past 15 years. His research has centered around the physiology and transitional circulation of infants born prematurely, the time frame of changes and the relationship of these changes to complications of prematurity.