Martin Kostelka, MD, PhD, is Professor of Paediatric Cardiac Surgery and Head of the Paediatric Cardiac Surgery Unit, Department of Cardiac Surgery, Herzzentrum, University Hospital Leipzig, Germany. Since he graduated in medicine in 1984 from the Medical Faculty of Charles University, Prague, Czech Republic, he has worked in hospitals such as Great Ormond Street Hospital, London, UK and hospitals in Leipzig, Prague, the United States and Kuwait.