CyberKnife Team

A diverse group of doctors wearing lab coats

Meet Our Team of CyberKnife Cancer Specialists

The CyberKnife team at Southeast Georgia Health System consists of oncologists, radiologists, and cancer doctors and specialists who have been specially trained in the use of CyberKnife technology. Our radiation 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.

Questions about CyberKnife treatment options?
Call our CyberKnife nurse navigator at
1-800-537-5142 ext. 5149.

Timothy A. Jamieson, M.D., Ph.D.

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.

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.

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 Vashaw R.N. OCN, B.S.N

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., Ph.D.

David McNally, M.S., Ph.D., MHSA, DABR, Manager, Chief Medical Physicist, System RSO

Physicist David McNally directly oversees and manages the medical physics, dosimetry and radiation therapy activities at the Cancer Care Center, including all cancer therapies associated with our CyberKnife program. He works closely with the physicians, dosimetrists, nursing, and therapists in all technical aspects of therapeutic imaging and radiation therapy treatments.

A board-certified therapeutic medical physicist, David has been with Southeast Georgia Health System since 1992. 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 his doctorate in radiation clinical physics from the Medical College of Virginia -Virginia Commonwealth University, Richmond Virginia.

Questions for our CyberKnife team?

Call our CyberKnife nurse navigator at 1-800-537-5142 ext. 5149 or contact us by submitting a CyberKnife contact form!