Prakash P Punjabi is Professor in Cardiothoracic Surgery at National Heart and Lung Institute, Imperial College London and Consultant Cardiothoracic Surgeon, Hammersmith Hospital, London, UK. He has pioneered Mitral Valve Repair in Degenerative, Ischemic and Rheumatic heart disease with innovative techniques and is invited to operate and lecture nationally and internationally. Panagiotis G. Kyriazis is PhD Candidate in Clinical Medicine Research at National Heart and Lung Institute, Imperial College London and Research Fellow, Hammersmith Hospital, London, UK.