Velissaris, Mr Theodore

Theodore VelissarisDM MRCS FRCS (C/Th)


Cardiothoracic surgery


Adult cardiac surgery

Training and education

  • Primary medical qualification, University of Patras Medical School, Greece.
  • MD thesis, University of Southampton.
  • Higher training in cardiothoracic surgery, University Hospital Southampton NHS Foundation Trust.


Mr Velissaris has been working as a consultant cardiac surgeon since May 2009. He was initially appointed at Manchester Royal Infirmary and then moved to Southampton in 2013.

He has a busy surgical practice, performing around 300 operations a year. He performs a wide spectrum of adult cardiac surgery including coronary artery bypass grafting, aortic valve replacement, mitral valve repair and replacement, aortic surgery, re-operative surgery and emergency procedures.


Mr Velissaris was awarded an MD thesis by the University of Southampton in 2008 for his work on conventional versus beating heart coronary artery bypass grafting. He has presented research work at numerous national and international conferences and has been awarded several prizes. He maintains an active interest in research and has written more than 30 scientific publications. 


You can contact Mr Velissaris via his secretary on 023 8120 4056.

See also