Peter Ruygrok graduated Bachelor of Science in mathematics in 1979, Bachelor of Medicine & Bachelor of Surgery in 1986 and more recently Doctor of Medicine, from the University of Auckland.
He trained in cardiology at Green Lane Hospital, gaining his fellowship of the Royal Australian College of Physicians and then completed an interventional fellowship at the Thoraxcenter in Rotterdam.
He works as a consultant cardiologist and is the Clinical Director of the Green Lane Cardiovascular Service (Adult Cardiology) at Auckland City Hospital. His special interests include interventional cardiology, cardiac transplantation and research, with over 90 publications. He is a Clinical Associate Professor of the University of Auckland and works part-time at the Auckland Heart Group.