Dr. David Kalfa is a Board-certified cardiothoracic surgeon with a subspecialization in pediatric cardiac surgery. A Native of France, Dr. Kalfa graduated from Marseilles University Graduate School of Medicine with the highest level of distinction in 2004. During his certification, he developed a research program in Tissue Engineering applied to the field of Congenital Heart Diseases that led to the attainment of numerous grants including a European Research FP7 Grant. He completed a research fellowship in Fondation Alain carpentier/INSERM in Paris and received his PhD degree in 2011 with the highest level of distinction. He then performed a 2-year clinical fellowship in Congenital Cardiovascular Surgery in one of the highest-volume centers (Marie Lannelongue Hospital in Paris) with exposure to highly complicated cases from all age groups (from neonates to adults). He completed a clinical fellowship in Adult Cardiac Surgery at Laval University Hospital in Quebec, Canada (2012-2013). He was then Assistant Attending in Congenital Cardiac Surgery at Morgan Stanley Children’s Hospital/NYP (2013-2015) and is currently Assistant Professor of Surgery (tenure track) in the Section of Pediatric and Congenital Cardiac Surgery, Columbia University, and Adjunct Assistant Professor of Surgery in the Department of Cardiothoracic Surgery, Weill Cornell Medical College.