Mr Wells is a recognized world leader in the field of mitral and tricuspid valve surgery. He has the largest experience in mitral valve reconstruction in the UK and amongst the largest in the world, with over 3,000 cases completed. He achieves a near 100% repair rate for fixing leaking mitral valves with mortality at less than 1.0% for first time procedures. His aim is to achieve a normally functioning valve.He is also an accomplished artist with a specific interest in Leonardo Da Vinci's drawings of the heart.