Lymphoma Program


Lymphoma Physicians

Our physicians are internationally recognized experts in the field of lymphoma and chronic lymphocytic leukemia.  We focus on providing individualized and targeted patient care.  We offer state-of-the-art and evidence-based treatment for lymphoid malignancies.

martha glenn

Martha J. Glenn, MD
Leader, Hematologic Malignancy Program
Professor of Medicine, Division of Hematology and Hematologic Malignancies
Director of Hematology/Oncology Fellowship Program

Dr. Glenn is a hematologist/oncologist who specializes in treating patients with blood-related cancers such as lymphoma and leukemia. She is a clinical research investigator in these types of cancers at Huntsman Cancer Institute. Her research interests include studying genetic causes of lymphoproliferative disorders.

She completed medical school at Columbia University, the Medicine Residency Program at Mount Sinai School of Medicine, and a fellowship in hematology/oncology at Memorial Sloan-Kettering Cancer Center, all in New York City.

halwani ahmed

Ahmad Halwani, MD
Assistant Professor of Medicine, Division of Hematology and Hematologic Malignancies

Dr. Halwani specializes in the treatment of blood-related cancers such as lymphoma and leukemia. His research interests include immunotherapy for hematological malignancies and epidemiology and comparative effectiveness research using bioinformatics and causal inference framework. He is principle investigator on multiple clinical trials at the Huntsman Cancer Institute. He is certified by the American Board of Allergy and Immunology and the American Board of Internal Medicine. He is board certified for the American Board of Medical Oncology.

He received his medical degree from the American University of Beirut, and completed his residency training in Internal Medicine, as well as a dual fellowship in Allergy and Immunology and Medical Oncology at the University of Iowa Hospital and Clinics, in Iowa City, IA. Dr. Halwani sees patients with lymphoma at Huntsman Cancer Institute. He also attends the Leukemia-Lymphoma clinic at the George E. Whalen Department of Veterans Affairs Medical Center in Salt Lake City.


Deborah Stephens, DO
Physician Leader, Hematology Clinical Trials
Assistant Professor of Medicine, Division of Hematology and Hematologic Malignancies

Deborah Stephens, DO joined the Division of Hematology and Hematologic Malignancies as an Assistant Professor in 2014. She completed her internal medicine residency at Cleveland Clinic and fellowship training at Ohio State University. Dr. Stephens’s clinic focuses on patients with lymphoma and chronic lymphocytic leukemia (CLL). Her primary research interest is developing new targeted therapies for patients with lymphoma and CLL. She is the principal investigator on multiple clinical trials at the University of Utah Huntsman Cancer Institute. On a national level, she is a member of the SWOG Lymphoma Working Group Committee, which includes lymphoma experts across the country who plan and implement nationwide clinical trials for patients with lymphoma.


John Sweetenham, MD, FRCP, FACP
Executive Medical Director and Senior Director of Clinical Affairs, Huntsman Cancer Institute
Professor of Medicine, Division of Hematology and Hematologic Malignancies

Dr. Sweetenham's clinical research focus is on malignant lymphomas and the use of stem cell transplantation. He has been principal investigator on national and international trials in lymphoma and is currently a core committee member of the Eastern Cooperative Oncology Group Lymphoma Committee and ECOG national principal investigator for studies in Hodgkin lymphoma. He serves as chairman of the Clinical Trials Committee of Leukemia and Lymphoma Research, UK.

Dr. Sweetenham attended medical school at St. Bartholomew's Hospital in London, UK, and trained in oncology at the University of Southampton, UK. He has served as director of the Hematologic Malignancies and Blood and Marrow Transplant Programs at the University of Colorado; associate director for clinical research at the University of Arizona; vice chairman for clinical research at the Cleveland Clinic Taussig Cancer Institute and professor of medicine at the Cleveland Clinic Lerner College of Medicine; and medical director of the UCSD Nevada Cancer Institute.