Dr. Aranzazu Alonso, a distinguished Hematology Oncologist at the Hospital Universitario Quironsalud Madrid, Spain, brings over a decade of expertise in diagnosing, treating, and monitoring hematological and onco-hematological conditions. Specializing in pathologies such as Anaplastic Meningioma, Leucosis, Multiple Myeloma, Leukemia, Chronic Leukemia, Follicular Lymphoma, and Chronic Lymphoblastic Leucosis, Dr. Alonso has garnered a reputation for her commitment to patient care. Graduating in Medicine and General Surgery from the Autonomous University of Madrid in 1996, Dr. Alonso obtained the title of Specialist in Hematology and Hemotherapy via MIR at the Hospital Universitario de la Princesa in 2001. Her professional journey includes serving as a Hematology Assistant in Dr. Fernandez Rañada's team at the Rúber Clinic and Moncloa Hospital. Since November 2006, she has been an integral part of the Quirónsalud Madrid University Hospital. Notably, Dr. Alonso has played a pivotal role as the Principal Investigator in various Phase II and III clinical trials, demonstrating her dedication to advancing medical research in the field of hematology. Her active participation in numerous national and international conferences, workshops, and expert meetings underscores her commitment to staying at the forefront of her field.