Dr Marshman graduated from Sydney University in 1980. Initially trained in General and Trauma surgery he then became a Cardiothoracic Surgeon in 1993 and has been a consultant at Royal North Shore and North Shore Private Hospital's since then.
His interests cover all areas of cardiothoracic surgery and include:
- Coronary Artery Surgery
- Valve Repair and Replacement
- Aortic Surgery
- Thoracic Surgery
Dr Marshman has a particular interest in Audit and Outcome analysis.