Anselm Uebing studied medicine at Heinrich Heine University in Düsseldorf. Thereafter he completed his training as a pediatrician and pediatric cardiologist at University Hospital in Kiel.  From 2004 to 2006 Anselm Uebing received clinical and scientific training in the treatment of adults with a congenital heart at the Royal Brompton Hospital in London and specialized as a "London -Toronto Fellow” in Adult Congenital Heart Disease. From 2006 to 2010, he worked as a senior physician at the Clinic for Congenital Heart Defects and Pediatric Cardiology in Kiel, Germany. In 2010, he moved to the Royal Brompton Hospital London, where he became head of the cardiac catheterization laboratory in the adult congenital heart defect unit. In 2017 he became head of the Department of Pediatric and Adolescent Medicine - Pediatric Cardiology at Münster University Hospital. Since April 2019, Anselm Uebing has been Director of the Clinic for Congenital Heart Defects and Pediatric Cardiology at Christian Albrechts University of Kiel (CAU). Anselm Uebing is also a DZHK (Deutsches Zentrum für Herz-Kreislauf-Forschung, German Centre for cardiovascular research) scientist at the Hamburg/Kiel/Lübeck site.

Corinna Lebherz studied human medicine at the Hannover Medical School (MHH). She completed her residency training in internal medicine and cardiology at Klinikum Großhadern at Ludwig-Maximilians-Universität München (LMU Munich). As a postdoctoral fellow at the University of Pennsylvania School of Medicine (Philadelphia) over a period of three years, she acquired extensive knowledge in the basic sciences. The certified ACHD cardiologist worked as a senior physician in the Department of Cardiology at University Hospital Aachen until 2024. Her clinical focus is on the care of patients with congenital heart defects. She has an additional qualification in specialised genetic counselling. She has been running the cardiology practice in Traunstein together with Dr. med. Andreas Eckhardt, a specialist in internal medicine and cardiology, which is part of Kliniken Südostbayern GmbH.

Boulos Asfour began his medical career after studying medicine in Giessen in the Department of Thoracic, Cardiac and Vascular Surgery at the Westphalian Wilhelms University of Münster (WWU). In 1993 he trained as a visiting doctor at the Children's Hospital Boston (Harvard Medical School) in pediatric cardiac surgery. After receiving his doctorate in 1995, a research fellowship took him to the Johns Hopkins University in Baltimore, Maryland. In 1998, Boulos Asfour became a senior physician at the WWU. In 2002, the habilitated pediatric cardiac surgeon moved to the German Pediatric Heart Center (DKHZ) in St. Augustine. From 2006 to 2019 he was head physician of the Pediatric Cardio Surgery Department and Medical Director of the German Pediatric Heart Center (DKHZ) at the Asklepios Pediatric Hospital St. Augustin. In October 2019, he took over as Head of the Department of Pediatric Cardiac Surgery at the redesigned German Pediatric Heart Centre in Bonn, University Hospital Bonn. Boulos Asfour teaches at the University of Münster as well as at the University of Duisburg Essen and at the Semmelweis University in Budapest. He is a member of the German Society for Thoracic and Cardiovascular Surgery (DGTHG) as well as of the Competence Network for Congenital Heart Defects.

Marc-Phillip Hitz studied medicine in Göttingen. After receiving his doctorate in 2004, he worked as a pediatric resident at the Hannover Medical School. After research stays combined with clinical work at Sainte Justine Hospital, Montreal, Canada and in the UK at the Wellcome Sanger Institute, he obtained his PhD in addition to his doctorate at the University of Cambridge. In 2014, he moved to the Department of Congenital Heart Defects and Pediatric Cardiology at the University Hospital Schleswig-Holstein (UKSH), Kiel Campus, as a pediatric specialist. There he led a research group on the genetics of congenital heart defects and completed his residency in human genetics in 2017. In 2019, Marc-Phillip Hitz was appointed to the endowed professorship of the German Center for Cardiovascular Research (DZHK) for the genetics of structural heart disease in Kiel. In 2021, the University of Oldenburg appointed him to the professorship of Medical Genetics at Faculty VI Medicine and Health Sciences. Since 2021, the physician has also been director of the University Institute for Medical Genetics at Oldenburg Hospital. Marc-Phillip Hitz has received several awards for his research. For example, the German Society for Pediatric Cardiology (DGPK) honored him with the 2017 Science Award for the discovery of three new genes involved in the development of cardiac malformations. He is a member of the Competence Network for Congenital Heart Defects and a member of the research network’s Steering Committee.

Matthias Sigler is a pediatrician with additional qualifications in pediatric cardiology, neonatology, pediatric intensive care, and ACHD cardiology. He studied medicine at the Julius Maximilian University of Würzburg, the Leopold Franzens University of Innsbruck, and the Philipps University of Marburg, as well as history and art history. He completed his residency in pediatrics at the University Hospital of RWTH Aachen in 2001. From 2001 to 2024, Matthias Sigler worked as a senior physician at the Heart Center of the University Hospital of Göttingen. Since October 1, 2024, he has been Head of the Department of Pediatrics and Adolescent Medicine - Pediatric Cardiology at the University Hospital Münster (UKM). One focus of his research is the development of new and improved interventional therapies for congenital heart defects. Matthias Sigler has established an international research laboratory at the Heart Center of the University Medical Center Göttingen to investigate the biocompatibility of cardiovascular implants. In 2016, he was awarded the Science Prize of the German Society for Pediatric Cardiology (DGPK) for his research in the field of heart valve implants. Another focus of his research and teaching is the morphology of congenital heart defects. Matthias Sigler is a board member of the Working Group on Cardiovascular Morphology of the Association of European Pediatric Cardiologists (AEPC). His clinical interests include diagnostic and interventional cardiac catheterization, the care of patients with complex and particular cyanotic heart defects, including pulmonary arterial hypertension, as well as neonatology and intensive care medicine. He is a member of the Competence Network for Congenital Heart Disease and a member of the Steering Committee of the Research Network since July 2022.