Prof. Dimitrios A. Tsakiris, MD was born in Thessaloniki, Greece and obtained his Diploma of Medicine (1982) at the Medical School, Aristotle University of Thessaloniki, Greece. He started his training in Clinical Haematology at the AHEPA University Hospital in Thessaloniki and completed it at the University Hospital Basel in Basel, Switzerland, where he has been working since 1987. He holds a license for Clinical Haematology and Laboratory Haematology. He spent one year (1996) as a Research Associate in Platelet Research at the Mount Sinai School of Medicine, New York, NY, USA. He has held a professorship in Haematology at the Faculty of Medicine, University of Basel, Switzerland since 2004 and serves also as a visiting Professor of Hematology at the Medical School of the Aristotle University of Thessaloniki. He has served as Head of Haemostasis since 2009 and Head of Diagnostic Haematology and Haemostasis (2014-2021), as well as member of the Stem Cell Transplant and Cell-Therapy Center Basel at the University Hospital Basel, Switzerland. Since 2021 he has been Director of Thrombosis and Haemostasis and Co-Head Hematology at SYNLAB Suisse SA, Switzerland. His main fields of scientific interests are platelet activation, platelet disorders, diagnosis and treatment of bleeding disorders and thrombophilia, disorders of haemostasis and endothelial cells after stem cell transplants. He has presented over 140 peer-reviewed original articles and reviews.