![](https://northernsydneysurgery.org.au/wp-content/uploads/2023/11/YD_3274-scaled.jpg)
Cardiothoracic Surgery
Meet Our Cardiothoracic Surgeons
![](https://northernsydneysurgery.org.au/wp-content/uploads/2023/11/Michael-Harden.jpg)
B.E. (Chem) Hon BSc(Med) MB.BS Hon M.Biomed E.
Head of Department
Dr Michael Harden has special interests in minimally invasive thoracic surgery, thoracic oncology, adult cardiac surgery and pacemaker and defibrillator surgery.
![](https://northernsydneysurgery.org.au/wp-content/uploads/2023/11/Manu-Mather.jpg)
MBBS FRACS
Royal Australian College of Surgeons Supervisor
Dr Manu Mather specialises in heart valve, aortic aneurysm and reoperative surgery.
![](https://northernsydneysurgery.org.au/wp-content/uploads/2023/11/Levi-Bassin-731x1024.jpg)
BSc (Comp Science), MBBS (Hons), PhD, FRACS (Cardiothoracic Surgery)
Dr Levi Bassin specialises in open and minimally invasive heart surgery, robotic surgery, chest tumour and lung surgery and pacemakers.
![](https://northernsydneysurgery.org.au/wp-content/uploads/2023/11/Peter-Brady.jpg)
MBBS (Hons) FRACS
Dr Peter Brady has special interests in aortic surgery and endovascular stenting, valve sparing aortic, root replacement, cardiac pacing (bi-ventricular defibrillators), thoracoscopic lobectomy/thymectomy and biventricular defibrillators.
![](https://northernsydneysurgery.org.au/wp-content/uploads/2023/11/John-Bereton.png)
MBBS FRACS
Dr John Bereton has special interests in coronary artery surgery (off pump coronary surgery), valvular heart surgery, pacemakers, defibrillators, thoracic surgery.
![](https://northernsydneysurgery.org.au/wp-content/uploads/2023/11/David-Marshman.png)
MBBS FRACS
Dr David Marshman has special interests in coronary artery surgery valve repair and replacement, aortic surgery, pacemakers and thoracic surgery.
![](https://northernsydneysurgery.org.au/wp-content/uploads/2023/11/Andrew-Sherrah.jpeg)
PhD, FRACS
Dr Andrew Sherrah has experience in all aspects of cardiac surgery and a special interest in thoracic aortic disease, aortic dissection repair, cardiac device implantation & lead extraction.