Professor Dr. Margarita Guenova received her medical training at the Medical University of Sofia and her PhD degree at the National Center of Haematology in 2000. She is employed as Head of the Laboratory of Haematopathology and Immunology and Professor of Hematology and Blood Transfusion at the National Specialised Hospital for Active Treatment of Haematological Diseases, Sofia, Bulgaria, teaching both undergraduate and graduate studies at the Sofia Medical University. She specializes in the field of leukemia and lymphoma diagnostics. In regard to her scientific interests, she worked on the elucidation of critical mechanisms of leukemia pathogenesis and progression, investigation of clinically relevant biomarkers and potential targets for therapy in leukemias and lymphomas, characterization of leukemic stem cell populations, minimal residual disease, and implementation of a multifaceted approach in oncohematology. Dr. Guenova has authored and coauthored many abstracts, articles in peer-reviewed journals, and book chapters. She serves on several editorial boards and is the President of the Bulgarian Society of Hematology as well as a member of several professional societies, such as the Bulgarian Society of Pathology, the Bulgarian Association of Clinical Immunology, the European Hematology Association, the European Association of Haematopathology, and the International Society of Haematology.