Virginia Commonwealth University

VCU Massey Cancer Center

Medical physics faculty

Christopher L. Bartee
Rabten Datsang
Josh Evans
John C. Ford
Jeremy Horn
Geoffrey Hugo
Martin J. Murphy
Jatinder Palta
Andrei Pugachev
Mihaela Rosu
Dorin A. Todor
Jeffrey F. Williamson
Yan Wu



Christopher L. Bartee
research associate
(804) 628-0977
cbartee@mcvh-vcu.edu

Mr. Bartee began his career in 1983 with the United States Air Force, where he received extensive training in radio-frequency production and radar. In 1990, Mr. Bartee joined Varian Oncology Systems as a senior field service engineer, where he was trained primarily on state-of-the-art medical linear accelerators. Since 1998, Mr. Bartee has been the senior clinical engineer for the Department of Radiation Oncology, and his activities include management of all the medical linear accelerators and simulators and research in intensity-modulated radiotherapy, electronic portal imaging and respiratory gating.
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Rabten Datsang, M.S.
instructor
(804) 628-3437
khekhor@vcu.edu

Mr. Datsang received a B.A. in Physics and Mathematics from the University of Virginia in 2007, and a master's in Medical Physics from Virginia Commonwealth University in 2011. Mr. Datsang joined the clinical medical physics faculty in the VCU Department of Radiation Oncology later that year. His primary interests are LDR and HDR brachytherapy treatments of prostate cancer, as well as improvement of quality assurance practices in radiation therapy.
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Josh Evans, Ph.D.
assistant professor
(804) 628-0661
jevans2@mcvh-vcu.edu

Dr. Evans completed his Ph.D. in Medical Physics at Virginia Commonwealth University in June 2011, where his dissertation focused on statistical iterative reconstruction algorithms for quantitative dual-energy CT and improved dose utilization.  He then joined the University of Virginia’s clinical physics residency program in July 2011 for a year of focused training in clinical radiotherapy physics.  He returned to Richmond in July 2012 to join the faculty at Virginia Commonwealth University to help ensure that radiation treatments are delivered to each patient with the highest level of precision, accuracy and efficiency possible. His major clinical interests include stereotactic body radiotherapy, high dose rate brachytherapy, and permanent seed brachytherapy.
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John Chetley Ford, Ph.D., M.B.A.
assistant professor
(804) 828-7418
jford2@mcvh-vcu.edu

Dr. Ford joined the Department of Radiation Oncology in 2009. He received his Ph.D. in Physics at University of Connecticut, studying nuclear magnetic resonance of metallic glasses. Following graduation he was an NIH post-doctoral fellow at University of Pennsylvania, before joining the faculty there as assistant professor of Radiology. At Upenn, he performed research in MRI and served as technical director of the Animal MR facility. He subsequently spent a decade in industry designing and developing scientific and medical instrumentation and software, and held positions as senior scientist at Radiation Monitoring Devices in Watertown, MA and chief science officer at MicroMRI in Philadelphia, PA.  He has also served as MR physicist at University of Massachusetts and the VA Medical Center in Philadelphia. Dr. Ford’s current research interest is utilization of MR image guidance to provide focal radiation therapy that maximizes tumor control while minimizing radiation to normal organs.
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Jeremy Horn, M.S.
instructor
jhorn@mcvh-vcu.edu

Mr. Horn began his career in 2000 with Computer Sciences Corporation as a junior test engineer and programmer analyst, where he tested and analyzed software systems responsible for the control and release of high energy events. In 2003, Mr. Horn joined Northrop Grumman Corporation, Defense Mission Systems division as a lead software safety engineer. During his service with Northrop Grumman, Mr. Horn was responsible for hazard analysis, risk assessment, and the design and implementation of mitigation strategies to reduce overall system mishap risk. In May 2008, Mr. Horn graduated from Virginia Commonwealth University with a MS in Medical Physics and joined the clinical physics staff in the fall of 2008. His clinical interests include improvement and execution of quality assurance program, LDR & HDR brachytherapy, and stereotactic radiosugery (SRS/SBRT).
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Geoffrey Hugo, Ph.D.
assistant professor
(804) 628-3457
ghugo@mcvh-vcu.edu

Dr. Hugo received his Ph.D. in biomedical physics from the University of California, Los Angeles in 2003. After obtaining his degree, he joined the staff of William Beaumont Hospital, where he participated in the clinical implementation of cone beam CT and was actively involved in developing an adaptive radiotherapy program for lung cancer. He joined the VCU Department of Radiation Oncology in 2008 as an assistant professor. His research interests include respiration and motion management, image-guided adaptive radiotherapy for lung cancer, and improving dynamic techniques to image moving anatomy.
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Martin J. Murphy, Ph.D.
professor
(804) 628-7777
mmurphy@mcvh-vcu.edu

Dr. Murphy received his Ph.D. in physics from the University of Chicago in 1980. Subsequently, he held research posts in nuclear physics, astrophysics, X-Ray and gamma-ray astronomy at UC/Berkeley's Lawrence Radiation Laboratory, the University of Washington, and the Lockheed Space Sciences Laboratory in Palo Alto CA. In 1992, Dr. Murphy became involved in research and development for the CyberKnife, a robotic image-guided radiosurgical system invented at Stanford University to treat cancer and central nervous system lesions. In 2003, he moved from Stanford, where he was a senior research scientist, to join the Medical Physics faculty at VCU. His research interests are in image fusion, computer-guided medical image segmentation, real-time image processing and registration, and machine vision applied to radiotherapy. The goal of his research is to develop fast, automatic image-guided procedures for the planning and delivery of radiation treatments via both external beams and brachytherapy.
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Jatinder Palta, Ph.D.
professor and division chair, Medical Physics
jrpalta@vcu.edu

Dr. Palta received his Ph.D. in medical physics in 1981 from the University of Missouri in Columbia. Prior to coming to VCU’s Massey Cancer Center, he was Professor and Chief of Physics in the Department of Radiation Oncology at University of Florida, Gainesville, FL., where he achieved national and international recognition for his clinical research and educational activities in advanced radiotherapy techniques, quality assessment, and quality assurance. Dr. Palta is a recipient of several NIH awards in medical informatics and optimization research. He has served on NIH study section and the Boards of both AAPM and ASTRO. In his assignment at VHA, Dr. Palta is developing and implementing programs that will ensure safe, effective, state-of-the-art radiation treatments to our Veterans and bring VHA Radiation Oncology Services (ROS) to a position of national excellence. He provides subject matter expertise to the VHA National Radiation Oncology Program on policy development, criteria and evaluation factors of equipment, staffing, resource needs, and development of comprehensive guidelines for medical physics.
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Andrei Pugachev, Ph.D.
assistant professor
(804) 628-3436
apugachev@mcvh-vcu.edu

Dr. Pugachev received his Ph.D. in Applied Physics from Stanford University where he was working on beam angle optimization for intensity-modulated radiation therapy (IMRT). After graduation in 2002 he joined Memorial Sloan-Kettering Cancer Center first as a Research Fellow and then as an Instructor. There he received training in clinical nuclear medicine physics and worked on different aspects of pre-clinical validation of positron emission tomography (PET) tracers. Before joining VCU in 2008, Dr Pugachev was employed by Toronto Sunnybrook Health Sciences Centre as a Scientist and University of Toronto as an Assistant Professor. His main research interest is the use of PET imaging in radiation oncology for both treatment planning and response assessment.
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Mihaela Rosu, Ph.D.
assistant professor
(804) 628-0980
mrosu@mcvh-vcu.edu

Dr. Rosu joined the Department of Radiation Oncology in 2007. She received her Ph.D. in Nuclear Engineering and Radiological Sciences from the University of Michigan in 2005. Following graduation Dr. Rosu was a postdoctoral fellow in the Radiation Oncology Department at the University of Michigan and her research represented one of the first comprehensive studies of the influence of motion in three-dimensional and four-dimensional treatment planning in deformable organs using Monte Carlo dose computation engine. Her current research interests include further investigations of the motion effects on dose calculation, treatment delivery and clinical outcomes.
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Dorin A. Todor, Ph.D.
associate professor
director, Brachytherapy Program
(804) 628-7415
dtodor@mcvh-vcu.edu

Dr. Todor joined the Clinical Physics faculty of the Department of Radiation Oncology in 2001. Prior to that, he was a postdoctoral fellow at Memorial Sloan-Kettering Cancer Center in New York City, where he was involved in radiological physics research in brachytherapy, the creation of a novel method for real-time intraoperative dosimetry of permanent prostate implants, and external beam portal image processing and enhancement. Dr. Todor received his Ph.D. from Old Dominion University in Norfolk, VA., where his work included collaboration with the Radiation Oncology and Biophysics Departments at Eastern Virginia Medical School. His clinical activities include LDR and HDR brachytherapy for prostate and breast cancer treatment. Currently funded by a grant from the American Cancer Society, Dr. Todor is actively involved in a number of research projects dealing with intraoperative assessment of LDR implants, the automatic tracking of markers in EPID images for lung treatments and real-time imaging techniques for HDR breast catheter implants. His long-term goals are the development of a brachytherapy-like system for the planning and delivery of gene therapy and the establishment of new techniques for the analysis of dose distributions in tissues.
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Jeffrey F. Williamson, Ph.D.
professor
(804) 828-8451
jwilliamson@mcvh-vcu.edu

Dr. Williamson received his Ph.D. in biophysical sciences in 1982 from the University of Minnesota in Minneapolis. Prior to coming to VCU’s Massey Cancer Center, he was a senior faculty member in the Department of Radiation Oncology at Washington University School of Medicine in St. Louis, Mo., where he solidified his national reputation as an innovative researcher in brachytherapy. Dr. Williamson has several National Institutes of Health (NIH)-funded projects in the physics of this modality and is currently looking at novel methods for using imaging technology to improve the planning and delivery of brachytherapy to patients. One of his primary goals with this research is to extend the well-established role of Monte Carlo simulation as an accurate dosimetry tool to individual treatment planning. Dr. Williamson is also working in the area of deformable image registration. The goal of this research is to model distortion and movement of internal organs due to brachytherapy applicator insertion, tumor regression and changes in patient position.
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Yan Wu, M.S.
instructor
(804) 628-0662
ywu@mcvh-vcu.edu

Mr. Wu received an M.S. from the Department of Electrical Engineering and Automation at Tianjin University in Tianjin, China, in 1985 and an M.S. from the Department of Electronics and Computer Science at the University of Southampton in Southampton, United Kingdom, in 1992. He lectured and conducted research at both universities as well as at the University of Portsmouth in Portsmouth, United Kingdom, prior to working as a research associate in the Department of Radiation Oncology at William Beaumont Hospital in Michigan. A member of the VCU faculty since 1999, his research interests include delivery techniques of intensity-modulated radiotherapy, optimization, signal processing and neural networks.
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