Leonie Saft, MD, PhD, is a consultant hematopathologist at the Department of Clinical Pathology and Cancer Diagnostics, Karolinska University Laboratory (KUL), Solna, and affiliated to the Institute of Oncology & Pathology, Karolinska Institute (KI), in Stockholm. The Division of Hematopathology includes two subspeciality units, Morphology (cytomorphology and histology) and Flow cytometry, and covers the whole spectrum of diagnostic hematopathology. The flow cytometry laboratory is part of the Nordic FCM group and has close cooperation with NOPHO (Nordic Organization of Pediatric Hematology & Oncology). Dr Saft ’s clinical work and research at KUL focuses on bone marrow pathology and diagnostics and MRD follow-up of pediatric leukemias. Her past research has focused on myelodysplastic syndromes (MDS), and she received her Ph.D. from KI, Huddinge, on studies of TP53 mutations in MDS with deletion of 5q. She is member of the MDS diagnostic scientific committee, MDSDiagnosis.com, the Nordic MDS Group (NMDSG), and the European Leukemia Net Flow Working Group on MDS. Dr Saft received her medical training in Germany (Marburg and Frankfurt) and in the USA (UTMB, Galveston, Texas) with both German and American license (1996), and doctor medicine (1996) at the University of Frankfurt. She started her residency in Clinical Pathology at the Klinikum Darmstadt (1996-97), and University of Leipzig (1997-98). In 1998, she moved to Sweden and continued her residentship at the Akademiska University Hospital, Uppsala (1999-2001). Since 2001, she is employed at KUL in Stockholm.