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CyberKnife Center
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CyberKnife Team
Our experienced CyberKnife® team will develop a personalized treatment plan just for you. We focus on clinical expertise and compassionate care. We’ll be there to answer your questions every step of the way.
Ross McBride, MD 
Dr. McBride is co-medical director for the CyberKnife Center. A board-certified radiation oncologist, he graduated cum laude from Brigham Young University and studied medicine at the University of Texas. He completed his residency at Henry Ford Hospital.
Prior to joining HealthEast, Dr. McBride practiced in Springfield, Missouri, where he served as a co-medical director of stereotactic radiosurgery, and in Redding, California, where he developed an intensity modulated radiation therapy (IMRT) program. He is an active member of the CyberKnife Society, American Society for Therapeutic Radiology and Oncology, andAmerican Society of Clinical Oncology.
Andrew Fink, MD, FACS
Dr. Fink is the medical director of surgery for HealthEast hospitals. A graduate of the University of Minnesota Medical School, he trained in general surgery at Hennepin County Medical Center. He is a board-certified general surgeon and is a fellow in the American College of Surgeons.
Dr. Fink has been Chief of Surgery at HealthEast and now devotes his practice to radiosurgery with the HealthEast CyberKnife Center.
June Kim, MD
Dr. Kim is a board-certified radiation oncologist. She attended William Paterson University in Wayne, New Jersey and New Jersey Medical School. She went on to complete her residency at Eastern Virginia Graduate School of Medicine in Norfolk, Virginia and a fellowship in radiation oncology at Harvard Medical School in Boston.
Before joining HealthEast, Dr. Kim practiced at a cancer center in LaCrosse, Wisconsin. She has also served as medical director of radiation oncology at a medical center in Portsmouth, Virginia and as an assistant professor of radiation oncology at Eastern Virginia Medical School.
Dr. Kim has performed and presented her clinical research in a variety of areas for many years. She is a member of the CyberKnife Society and American Society for Therapeutic Radiation and Oncology.
Eric Nussbaum, MD, FACS
Dr. Eric Nussbaum is a board-certified neurological surgeon and the medical director of vascular neurosurgery at the National Brain Aneurysm Center. Dr. Nussbaum is an expert in brain aneurysm surgery, performing more than 350 brain surgeries a year. Dr. Nussbaum is one of only a handful of neurosurgeons in the world with the knowledge and expertise to perform such complex operations. He is a graduate of Johns Hopkins University. Dr. Eric Nussbaum received his medical degree from the University of Maryland School of Medicine and completed a surgical internship and neurosurgical residency at the University of Minnesota. He gained additional experience in neurovascular and epilepsy surgery while a clinical fellow at the University Hospital in London, Ontario.
Dr. Eric Nussbaum has written a guide for patients and families on brain aneurysms and vascular malformations. He's also published many journal articles and book chapters on the subject and is invited regularly to speak at national conferences.
Leslie Nussbaum, MD, PhD, FACS
Dr. Leslie Nussbaum is co-medical director for the CyberKnife Center at St. Joseph's Hospital. A board-certified neurological surgeon, she received her bachelor's, PhD and medical degrees from the University of Arizona. She completed her surgical internship at the University of Maryland and neurosurgical residency at the University of Minnesota. She gained additional experience in spine surgery while a clinical fellow at the Medical College of Wisconsin in Milwaukee.
Dr. Leslie Nussbaum has published multiple articles and book chapters.
Richard A. Peterson, MD
Dr. Richard Peterson is a neuro-oncologist. He cares for patients at the CyberKnife Center who are being treated for brain tumors.
Dr. Peterson is board certified in neurology. He completed his internship and neurology residency at the University of Washington, in Seattle. He then went on to complete a two-year neuro-oncology fellowship, also at the University of Washington.
Dr. Peterson actively participates in a variety of clinical research protocols. He is a member of the Society for Neuro-Oncology, American Academy of Neurology and the American Society of Clinical Oncology. His interests include cancer of the nervous system and neurologic problems that arise from cancer treatment.
Michael Lundsten, MS, DABR
Michael is the principal medical physicist for the CyberKnife Center. He is board-certified by the American Board of Radiology in both Thereapeutic and Diagnostic Radiological Physics. He attended the Illinois Institute of Technology in Chicago, for both undergraduate and graduate school in physics. He completed medical physics training at The Chicago Medical School and medical physics residency at Hines VA Hospital in Maywood, IL.
Before joining HealthEast, Michael practiced at St. Mary’s/Duluth Clinic in Duluth, MN, where he led the installation of their CyberKnife. Prior to that, he was on the medical school faculty of Georgetown University Medical Center in Washington, DC, where he was an Assistant Professor of Radiation Medicine and the lead physicist for their CyberKnife installation in 2002. He was also the primary physicist for radiosurgery research and development at Georgetown.
Mr. Lundsten has published several articles in peer-reviewed journals.
Kara Koechell, RN, BSN
Kara Koechell is a Patient Navigator. She earned her bachelor's degree in nursing from Winona State University, and is currently working on a certified neuroscience registered nurse certificate.
Kara's practice interests include neurology, neurosurgery, CyberKnife and neuro-oncology. She is also in the midst of creating a patient education program for brain and spine tumor patients at the HealthEast CyberKnife Center at St. Joseph's Hospital.
Lori Copsey, CMD
Lori is a junior medical physicist with the CyberKnife team. She has been active in the field of radiation oncology for more than 20 years and has worked in physics for the last 15. She obtained her bachelor's degree and dosimetrist training from the University of New Mexico.
The CyberKnife Team
