Prof. Ofer Spielberg
Director of the Hematology Department at Lev Naot Ramat HaChayal Hospital
Professor in the Faculty of Medicine at Ariel University
Prof. Spielberg established Lev Naot Hematology Department in 2014.
In the ten years prior to his tenure at Lev Naot, Prof. Spielberg established and directed the
Hematology Institutes at Beilinson Hospital and at the Davidoff Center at Rabin Medical Center.
He previously established the Hematology Department at Soroka Hospital in Be'er Sheva.
Prof. Spielberg serves as Chairman of the Israel Defense Forces (IDF) Medical Corps’ Scientific Council (in reserve).
Recently, he co-founded Lev Naot new Molecular Research Laboratory,
which conducts and advances basic research by graduate students.
Prof. Spielberg has published hundreds of articles in basic and clinical research.
He is currently researching and publishing numerous meta-analyses on hematological patients.
The research centers that Prof. Spielberg has managed have participated the most prestigious clinical studies in the world.
Prof. Spielberg has won many awards for his contributions to science and numerous prestigious research grants.
Prof. Ella Naparstek
Senior Physician at the Hematology Institute at Lev Naot Ramat HaChayal Hospital
Renowned for performing Israel’s first stem cell transplant
Prof. Naparstek joined the Hematology Institute in 2014 and established its Stem Cell Transplant Service.
Prior to joining Lev Naot, she served as Director of the Hematology Institute in the
Department of Hematology and Stem Cell Transplantation at Tel Aviv Sourasky Medical Center.
In her role as Senior Physician in the Department of Hematology at Hadassah Ein Kerem University Hospital,
she co-founded the Department of Stem Cell Transplantation and performed Israel’s first stem cell transplant.
Prof. Naparstek earned her MD at the Hebrew University of Jerusalem School of Medicine
and completed her residency in hematology at Hadassah Ein Kerem University Hospital.
She conducted her post-graduate education at Harvard University’s Dana-Farber Cancer Institute,
and was a visiting scientist in the Department of Hematology at the National Institutes of Health (NIH) in the USA.
Her main clinical focus is in malignant hematological diseases (leukemia, lymphoma, and myeloma),
stem cell transplantation, and cancer immunotherapy.
Prof. Michael Shapira
Senior physician and Director of the Hematology Inpatient Unit and the Hematology Day Hospital at Lev Naot Ramat HaChayal Hospital
Prof. Shapira is known for his groundbreaking work in the treatment of older adult hematology patients,
as well as the treatment of graft versus host disease (GVHD) using innovative methods, inventive drugs,
special approaches, and local treatment.
Prior to joining Lev Naot, Prof. Shapira was a senior physician in the Stem Cell Transplant Department at Hadassah Ein Kerem Hospital,
also serving as a researcher and instructor, and resident in hematology.
Prof. Shapira earned his MD from the Hebrew University of Jerusalem.
He completed his residency with honors at Hadassah Ein Kerem Hospital, specializing in internal medicine.
Sigal Tavor, MD
Senior Physician, Specialist and Researcher at the Center for Hematology and Hemato-Oncology
Senior Hematologist at Maccabi Health Services
Dr. Tavor specializes in the treatment of patients with benign or malignant hematologic diseases
such as acute and chronic leukemia,myeloproliferative disorders, myelodysplastic syndromes,
myeloma, and lymphoma.
She is a leukemia researcher and scientific consultant at the Weizmann Institute of Science, Ariel University,
and Maccabi Health Services.
Prior to joining Lev Naot, Dr. Tavor was a researcher at the Genetic Institute at Hadassah Medical Center in Ein Kerem.
She has published groundbreaking articles in the world's leading medical journals on the
diagnosis and treatment of leukemia – discoveries that have led to the development of new drug interventions for treating the disease.
Dr. Tavor was Senior Physician and Acting Director of the Leukemia Unit at
Tel Aviv Sourasky Medical Center’s Hematology Institute and ran the Leukemia Research Lab.
During her tenures at the Weizmann Institute and UCLA Medical Center in the United States,
Dr. Tavor conducted in-depth leukemia research.
Dr. Tavor founded and directed the Israeli Medical Association’s Leukemia Research Group.
Dr. Tavor graduated from the Marche Polytechnic University School of Medicine in Ancona, Italy.
Roei Mazor, MD
Senior Physician at the Center for Hematology and Hemato-Oncology
Director, Clinic for Histiocytic Malignancies
Dr. Mazor is the Director of Lev Naot Clinic for Histiocytic Malignancies, a registered international patient referral center,
which he founded.
He specializes in the diagnosis and treatment of adult patients with rare histiocytic malignancies (in certain white blood cells)
such as Langerhans cell histiocytosis, Erdheim-Chester disease (ECD), Rosai-Dorfman disease.
Most often, these patients suffer from multisystem diseases that require multidisciplinary management and highly personalized,
targeted therapies.
Dr. Mazor’s primary research interests focus on the scientific basis for personalized immunotherapy, the microenvironment,
and the immune response mediated by antibodies in cancer.
Dr. Mazor is a lecturer in hematology and hemato-oncology at the Ziva Tal School of Nursing affiliated with Tel Aviv University.
He has published scientific articles in the medical and scientific literature and has been an invited lecturer
at professional conferences and centers of excellence in Europe and the United States.
Dr. Mazor is a member of the Erdheim-Chester Disease Global Alliance and consults to The Lev Naot Molecular Laboratory.
Dr. Mazor holds a Doctorate in Medicine from the Sackler Faculty of Medicine at Tel Aviv University
and is currently pursuing an additional doctoral degree in immunology and molecular biology from the
Weizmann Institute of Science’s Feinberg College.