About Us | Board of Directors | Staff | Acknowledgments | Legal Information | Contact Us

Richard D. Bucholz, M.D.

Richard Donald Bucholz attended Yale College, receiving a bachelor in science cum laude in molecular biochemistry and biophysics in 1973. He continued at Yale for his medical education and completed a general surgical internship and neurosurgical residency at Yale New Haven Medical Center. He was an Instructor at Yale in 1982-83 before accepting a position of assistant professor at Saint Louis University School of Medicine under Dr. Kenneth R. Smith, Jr. He was certified by the American Board of Neurological Surgery in 1985, and became a full professor in 1996. In 2005, he was named Director of the Division of Neurosurgery and continues his entrepreneurial interest in medical technology. Dr. Bucholz holds a total of 22 patents and others are pending. He is a Fellow of the American College of Surgeons and is a member of numerous medical societies, and has been involved with the CyberKnife® Society for many years and currently serves on the Board of Directors as Secretary and the Chairman of the Protocol Development Committee.

Paul Chomiak, M.D.

Paul Chomiak, M.D. received his surgical training at Loyola University Medical Center in Chicago. He completed a fellowship in Thoracic surgery and Thoracic transplant at the University of Wisconsin-Madison. He is a diplomat of the American Board of Thoracic Surgeons as well as a fellow of the Society of Thoracic Surgeons. Dr. Chomiak is the founding member for the Center for Chest Disease, a practice limited to Thoracic surgery providing services to Central Maryland and its neighboring states. He is on staff at Frederick Memorial Hospital, Washington County Health System, and at the Sinai CyberKnife Center in Baltimore and serves as the medical director of the FMH CyberKnife Center in Frederick, Maryland. Additionally, he developed and serves as the medical director of the FMH Multidisciplinary Lung Cancer Clinic. In 2004, he began his thoracic CyberKnife practice and is currently only one of two thoracic surgeons in the State of Maryland providing thoracic CyberKnife therapy. Dr. Chomiak was elected to the Board of Directors in April 2009 and serves on the Reimbursement Committee.

Richard Deming, M.D.

Richard Deming graduated summa cum laude from South Dakota State University. He obtained his medical degree from Creighton University in Omaha in 1980. He was awarded the Dr. Adolf Sachs award for graduating at the top of his class of 120 students. He did his internship in internal medicine at the Naval Hospital in San Diego, While a Navy physician he was trained as a Navy scuba diver and served as the Undersea Medical Officer for Explosive Ordnance Group One in Pearl Harbor Hawaii. Upon completion of his diving medicine tour of duty, he did his residency in radiation oncology at the University of California, San Francisco. Dr. Deming spent two years at the National Naval Medical Center in Bethesda, MD and was also a clinical faculty member for the National Cancer Institute residency program for radiation oncology. He joined Mercy Cancer Center in Des Moines, Iowa in 1989. Dr. Deming is currently the medical director of Mercy Cancer Center Radiation Oncology and also medical director of the CyberKnife Radiosurgery Center of Iowa. Dr. Deming was elected to the Board of Directors in April 2009 and is active on the Annual Meeting, CME/CE and Education Advisory Committee.

Christian Drexler received his degree in physics from the prestigious Technical University of Munich in Germany in 1992.  Currently, he is the Senior Medical Physicist at the Munich CyberKnife Center, Member of DGMP (German Association of Medical Physics), DEGRO (German Society on Radiation Oncology) and The CyberKnife Society.  He has been a member of the Committee for Quality Assurance in nuclear medicine for the state of Bavaria and was previously was an independent consultant for nuclear medicine and radioprotection.  An Associate Editor of the Medical Physics Journal, he has been a member of The CyberKnife Society since 2007 and is instrumental to the success of the CK Physics Focus/User Group.  Christian was elected to the Board of Directors in March 2010.


Donald B. Fuller, M.D.

Dr. Fuller earned his doctorate at the University of Washington School of Medicine in Seattle, Washington.  He completed his internship at Santa Barbara Cottage Hospital in Santa Barbara, California and his Radiation Oncology residency at LDS Hospital in Salt Lake City, Utah.  He is certified by the American Board of Radiology in Radiation Oncology. Dr. Fuller joined Radiation Medical Group in 1988.  His interests in the specialty include prostate cancer radiotherapy, prostate brachytherapy, and radiation dose escalation for a variety of malignancies through the appropriate application of intensity modulated radiotherapy (IMRT), brachytherapy and SRS/SBRT techniques. He is one of the directors of Western Cancer Center and Radiation Medical Group, specializing in advanced technology integration.  Author of countless research publications, he has treated over 300 patients using the CyberKnife.  Dr. Fuller joined the CyberKnife Society Board of Directors in March 2010 and serves as Treasurer.  

John J. Kresl, M.D., Ph.D.

John Kresl completed advanced medical educational and research training in the field of oncology as a National Institute of Health (N.I.H.) supported combined MD/PhD Fellow in Graduate Medical Science training in Molecular and Immunological Tumor Cell Biology, culminating in a Doctor of Philosophy Degree from Northwestern University Graduate School, Evanston, Illinois. In addition to basic science training, Dr. Kresl completed his clinical medical training, receiving a Medical Doctorate Degree from Northwestern University Medical School in Chicago, Illinois. In addition to remaining active in Oncology research, Dr. Kresl is very involved in clinical practice in radiation oncology for all tumor sites. Dr. Kresl has been the principal investigator and co-investigator on dozens of clinical protocols and has published over 150 abstracts, manuscripts and book chapters related to radiation oncology, including editing the first two textbooks on Robotic Radiosurgery. He frequently is an invited lecturer on these topics around the world. Dr. Kresl is Board Certified by the American Board of Radiology in Radiation Oncology. He joined the Board of Directors of the CyberKnife Society in 2007.

Clinton Medbery was born in Texas but grew up in Charleston, SC. After attending public schools, he graduated from the University of South Carolina in 1971 with a major in biology and minors in chemistry and English. Following a 14 month enlisted stint as a radioman in the Navy, he entered the Medical University of South Carolina, earning his M.D. in 1976. He performed his internal medicine internship at the Naval Regional Medical Center, San Diego, followed by internal medicine residency at Portsmouth Naval Hospital, medical oncology fellowship at a combined Navy/National Cancer Institute program, and then radiation oncology residency at the National Cancer Institute. He is board certified in internal medicine, medical oncology, and radiation oncology. Although interested in all facets of radiation treatment of cancer, his major current interests include CyberKnife radiosurgery, breast brachytherapy, and high dose rate brachytherapy for prostate cancer and other conditions. He serves as the CyberKnife Society Chairman of the Board and President, and oversees the "Ask the Doctors" message board for patients.

Alexander Muacevic completed his medical training in neurosurgery at Ludwig Maximilians University, in Munich, Germany. Following this, he completed several internships with neurosurgeons and radiation oncologists in the United States, England and Italy. He became a board certified neurosurgeon in 2003 and a board certified radiosurgeon in 2006. He currently is practicing at the European CyberKnife® Center in Munich, Germany which is a satellite center of the University of Munich Hospital. He is a University teacher at the University Munich and an author of over 50 peer-reviewed publications, several book chapters, and over 100 scientific abstracts. His research interests are full body radiosurgery and minimally invasive image guided therapies, and he is currently a member of several national and international medical societies. Dr. Muacevic joined the CyberKnife Society Board of Directors in 2007 and currently serves as the President-Elect and Chairman of the European Protocol Development Committee.