David Niederseer is consultant cardiologist at the University Hospital Zurich, Switzerland. He holds degrees in medicine (MD), sports science (BSc), and a PhD in molecular medicine, and is trained in internal medicine in cardiology. Dr Niederseer has a special interest in sports cardiology, cardiac rehabilitation, exercise training and testing as well as preventive cardiology. He has published extensively in these areas, is nucleus member of several national and European societies or working groups, and is frequently invited to conferences as speaker. As ad hoc reviewer, he serves for leading journals. Additionally, he served as physician for the Swiss Ice Hockey Federation.