Dr. Janusz Konstanty-Kalandyk, MD, PhD is a Cardiac Surgeon at Krakow Specialist Hospital named after John Paul II in Poland. He graduates from the Faculty of Medicine at the Collegium Medicum of the Jagiellonian University in Krakow. He belongs to the Polish Society of Cardiology, the Polish Society of Cardio-Thoracic Surgeons, The Society for Heart Valve Disease, and The European Association for Cardio-Thoracic Surgery. He specialized in Cardiac Surgery.