Meet Our CyberKnife™ Team
The CyberKnife team at Southeast Georgia Health System consists of cancer experts who have been specially trained in the use of CyberKnife technology. Our ratiation oncologists work in partnership with a physicist, dosimetrist, a nurse navigator and two CyberKnife therapists to map out your specific plan of care, and to make you as comfortable as possible during treatment.
Timothy A. Jamieson, M.D., Ph.D., Radiation Oncologist
Dr. Jamieson is the medical director of the CyberKnife program. A board-certified radiation oncologist and trained CyberKnife specialist, he previously directed the CyberKnife Center at Virginia Hospital Center in Arlington.
After receiving both his medical and doctoral degrees from the University Of Virginia School Of Medicine in Charlottesville, Va., Dr. Jamieson completed his residency in radiation oncology at Duke University Medical Center in Durham, N.C., and co-authored several publications on radiation oncology. He is also a medical staff leader who has served as chair of the Health System's Cancer Committee and Multidisciplinary Tumor Board.
"CyberKnife has a proven track record of success with thousands of cancer patients worldwide and having this technology will give our patients yet another treatment option."
Kenyon M. Meadows, M.D., Radiation Oncologist
Dr. Meadows is a board-certified radiation oncologist and trained CyberKnife specialist. He completed his medical degree at Case Western Reserve University in Cleveland, Ohio, and an internship in internal medicine at MetroHealth Medical Center, also in Cleveland. He completed his radiation oncology residency at Shands Hospital at the University of Florida in Gainesville.
Dr. Meadows has contributed to several prestigious medical journals including the American Journal of Clinical Oncology and the American Journal of Otolaryngology. He is a credentialed member of the American Society of Therapeutic Radiology and Oncology, as well as the Radiological Society of North America.
Meadows clinical interests include prostate cancer, breast cancer and lymphoma.
Bruce G. Tripp, M.D., Radiation Oncologist
Dr. Tripp is a board-certified radiation oncologist and trained CyberKnife specialist. He completed his initial CyberKnife training in 2007 and had a three year affiliation with the CyberKnife Center in Jacksonville, Florida. Dr. Tripp is the founder of Southeast Georgia Health System’s tumor board and tumor registry. He has served as the medical director of radiation oncology, chair of the Cancer Committee and chief of the Department of Radiology on the Brunswick Campus.
Dr. Tripp received his medical degree from the Medical College of Georgia in Augusta, where he also completed an internship in general surgery and a residency in radiation oncology.
He is a credentialed member of the American Society of Therapeutic Radiology and Oncology
Brenda C. Vashaw, R.N., OCN, BSN, Nurse Navigator
Brenda Vashaw is a registered nurse specializing in hematology-oncology. As a trained CyberKnife nurse navigator, she is the first point of contact for CyberKnife patients and assists them in “navigating” through their cancer diagnosis and treatment by guiding, supporting and educating them and their families and by coordinating the efforts of the CyberKnife team.
Brenda earned her bachelor’s degree in nursing from Armstrong State University in Savannah and has maintained national oncology and chemotherapy certifications since 1996. Prior to joining Southeast Georgia Health System, Brenda served cancer patients at the Curtis and Elizabeth Anderson Cancer Center in Savannah and at Georgia Cancer Specialists in Atlanta, where she was clinical manager for hematology-oncology. She is also an ONS (Oncological Nursing Society) National Chemotherapy Administration instructor.
David McNally, M.S., MHSA, DABR, Manager, Chief Medical Physicist
Physicist David McNally directly oversees and manages the medical physics, dosimetry and radiation therapy activities at the Cancer Care Center, which includes all cancer therapies associated with our CyberKnife program. He works together with the rest of the CyberKnife team to handle the technical aspects of radiological imaging and radiation therapy.
A board-certified therapeutic medical physicist, David has been with Southeast Georgia Health System since 1991. He earned his master’s degree in medical physics from the Georgia Institute of Technology in Atlanta, a master’s in health services administration from Armstrong Atlantic State University in Savannah, and is a radiation sciences doctoral candidate at Virginia Commonwealth University.
Kathleen F. Shanahan, RT(T), Radiation Therapist
Kathleen Shanahan is a radiation therapist skilled in CyberKnife technology, having received special training in the use of CyberKnife for stereotactic radiosurgery. She is one of the most experienced CyberKnife Therapists in the country.
Kathleen received radiation therapy experience at prestigious hospitals and cancer care programs on the East Coast prior to joining Southeast Georgia Health System. These include St. Francis Hospital and Medical Center and Hartford Hospital’s Radiation Center, both in Hartford, Connecticut. Her extensive experience has been instrumental in the development of a comprehensive clinical CyberKnife program designed for patient safety and accurate treatment delivery.
Kathleen is a member of the American Registry of Radiologic Technologists, the American Society of Radiologic Technologists and the CyberKnife Society.
Michael Murray, RT(T), Radiation Therapist
Michael Murray is a radiation therapist skilled in CyberKnife technology, having received special training in the use of CyberKnife for stereotactic radiosurgery.
Michael received his bachelor's degree in biology as well as his bachelor’s in radiation therapy from Armstrong Atlantic State University in Savannah. He has been with Southeast Georgia Health System since 2005, working with the entire radiation oncology team in treating patients with cancer.
Michael is a member of the American Registry of Radiologic Technologists and the CyberKnife Society.