Our Expert Team / Faculty
Physician Faculty:
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Michael Steinberg, M.D.
Chair
Michael L. Steinberg, MD, FASTRO, FACR, FACRO is a board-certified specialist in radiation oncology. He is a founding partner of the Santa Monica Cancer Treatment Center and Cancer Care Consultants Medical Associates and is a Senior Vice President of 21" Century Oncology. In addition to his clinical practice in radiation oncology, Dr. Steinberg is also involved in clinical research as the Principle Investigator for the Cancer Disparity Research Program grant from the National Cancer Institute ($3,500,000). Dr. Steinberg recently completed his term on the Board of Directors of radiation oncology's national specialty organization, ASTRO, where he Chaired the Health Policy Council which oversees issues of health policy and healthcare economics for the specialty of radiation oncology.
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Guy Juillard,M.D.
Emeritus
After receiving his M.D. from the University of Paris (1963) and completing residency training at the Institute Gustave Roussy, Villejuif, France (1963), Dr. Juillard started his professional career in France, ultimately becoming Chairman of the Department of Radiology and Chief of the Division of Radiation Therapy at the Cancer Hospital, Nice, France.
He became a Staff Radiation Therapist at UCLA in 1973 and has been here continuously since, with appointment as full professor in 1977.
Dr. Juillard research interests include Intralymphatic Immunotherapy (ILI)
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Percy Lee, M.D.
Percy Lee, M.D. earned his medical degree from Harvard Medical School, where he graduated magna cum laude. At Harvard, he was also a Howard Hughes Medical Institute Research fellow. He interned at Massachusetts General Hospital and received specialty training in Radiation Oncology from Stanford University.
Dr. Lee is an Assistant Professor in Radiation Oncology and Clinical Director of the Stereotactic Body Radiation Therapy (SBRT) program. He is an expert in lung cancer, cancers of the digestive tract, central nervous system tumors, and renal cell carcinoma. His expertise includes intensity-modulated radiation therapy (IMRT), as well as SBRT and stereotactic radiosurgery (SRS) where highly focused radiation is concentrated on localized tumors. These approaches minimize radiation to surrounding normal tissue, thereby reducing side effects and improving tumor control. Dr. Lee is focused on developing novel functional image-guided radiation therapy approaches and discovering new molecularly targeted anti-angiogenic drugs for cancer therapy. In addition, he is investigating combining molecular targeted therapy with SBRT in a rational and innovative approach with the goal of improving treatment outcomes.
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Steve P. Lee, M.D.,Ph.D.
Dr. Lee came to the United States from Taiwan at age 15. He attended a public school in Los Angeles, and received his B.S. degree in Physics at UCLA in 1984. During his college years, he developed an interest in the integration of physics and biology. He decided to pursue his graduate training in Biomedical Physics at UCLA and received his M.S. degree in 1986, under the guidance of Professor J. B. Smathers of the Department of Radiation Oncology. Determined to be a radiation oncologist, Dr. Lee then went on to attend medical school at the Ohio State University.
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Michael T. Selch, M.D.
Dr. Selch received his B.S. degree in biological sciences from the University of Wisconsin in Madison, and completed his M.D. degree at the University of California in Los Angeles. He completed an internship in Internal Medicine at Cedars-Sinai Medical Center in Los Angeles and then a residency in Radiation Oncology at UCLA. After completion of residency training, he joined the UCLA faculty as an adjunct assistant professor. Clinical interests of Dr. Selch include brain tumors, soft tissue sarcomas, lung cancer, pediatric malignancies, total body irradiation and stereotactic radiosurgery.
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Antonio De Salles, M.D.,Ph.D.
Professor In Residence and Director of the Stereotactic Surgery program, and Co-Director of the Radiosurgery Program. Dr. DeSalles focuses on noninvasive techniques of surgery in the management and treatment of inoperable brain tumors using Novalis Shaped Beam Radiosurgery System (advanced technology in comparison to the X-Knife and Gamma Knife). He also does research and surgery for Parkinson's disease and various movement disorders, as well as surgery for pain.
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H. Rodney Withers, M.D.,D.Sc.
Emeritus
Dr. Hubert Rodney Withers is considered by many colleagues to be the pre-eminent clinically-oriented radiation biologist in the world. He has made numerous scientific contributions over the years, but is most widely known for his seminal work on post-radiation repair and the effects of ionizing radiation on normal tissues. Many of the assays and the techniques he has developed are now being used in laboratories throughout the world. There is scarcely any major review of radiation biology which does not cite Dr. Withers' contributions prominently, and he stands out as the radiation biologist who has applied studies on basic radiation effects to the clinical practice of radiation therapy.
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Medical Physics Faculty:
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Nzhde Agazaryan, Ph.D., DABR
Dr. Agazaryan is an Associate Professor of Radiation Oncology and Director of the Radiosurgery and Stereotactic Body Radiotherapy Physics. Dr. Agazaryan's appointment in the Department of Radiation Oncology involves research, teaching and clinical practice. His research and clinical interests include stereotactic radiosurgery (SRS/SRT), stereotactic body radiotherapy (SBRT), image-guided radiotherapy (IGRT), functional image-guided radiotherapy and gated radiotherapy. Dr. Agazaryan is a Diplomate of The American Board of Radiology - board certified in Therapeutic Radiologic Physics.
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John DeMarco, Ph.D., DABR
Dr. DeMarco is an Associate Clinical Professor in Radiation Oncology and chief of the clinical physics section. He received his PhD from the UCLA Biomedical Physics Graduate Program in 1997. Dr. DeMarco's research interests are currently focused on issues related to accurate dose calculation algorithms with respect to therapeutic and diagnostic radiology as well as image-guided radiation therapy procedures. This includes an NIH funded collaboration with the Department of Radiological Sciences investigating patient specific dosimetry from CT imaging procedures. Dr. DeMarco currently teaches radiation dosimetry and an introduction to Monte Carlo methods as part of the UCLA Biomedical Physics graduate curriculum.
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Radiobiology Research Faculty:
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Nicholas A. Cacalano,Ph.D.
Assistant Professor Experimental Radiation Oncology
His laboratory is interested in the molecular mechanisms of cytokine and growth factor receptor signal transduction, and understanding how deregulated signaling results in human diseases such as Severe Combined Immunodeficiency (SCID) and cancer.
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Kei S. Iwamato,Ph.D.
Adjunct Associate Professor Experimental Radiation Oncology
Iwamoto Research Interests:
Broadly, interests are in biological mechanisms of radiation response, especially carcinogenesis, and their exploitation in improvement of radiotherapy. Specific topics include Iodine, Insuline-like Growth Factor Type 2 Receptor (M6P/IGF2r), Bone Marrow Derived Stem Cells (BMDSC) and Proteasome.
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Dr. McBride was recruited to UCLA a Professor of Radiation Oncology in 1984. He had previously been Senior Lecturer in the Department of Bacteriology at the University of Edinburgh Medical School in Scotland (1982-84) and a Project Investigator in the Department of Radiotherapy and Experimental Radiotherapy at the University of Texas, MD Anderson Hospital and Tumor Institute. In 1987, he received his D.Sc. from the University of Edinburgh, in 1994 he was appointed as Director of the Division of Experimental Radiation Oncology at UCLA, and in 1995 as Vice Chair for Research in Radiation Professor and Vice Chair for Research Department of Radiation Oncology.
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Frank Pajonk,M.D.,Ph.D.
Assistant Professor Experimental Radiation Oncology
Dr. Pajonk was recruited to UCLA in 2005. He was previously head of the Clinical and Experimental Radiation Biology Research Section at the University Hospital Freiburg, Germany. Dr. Pajonk received his M.D. at the University Freiburg and his Ph.D. at the Universities of Freiburg, Germany and Bale , Switzerland . From 1998 to 1999 he joined the Department of Radiation Oncology at the David Geffen School of Medicine at UCLA as a PostDoc. In 2002 he received his habilitation and venia legendi from the University of Freiburg, Germany. Dr. Pajonk's research has two major focuses. First, modulating the radiation response of malignant cells using proteasome inhibitors and understanding the underlying mechanisms, which lead to radiosensitization. Second, cancer stem cells and their response to cytokines, radiation and chemotherapy.
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