Geoffrey Geiger

Dr. Geiger joined GenesisCare in 2018, bringing significant clinical and research expertise, having contributed to numerous abstracts and journal publications on radiation therapy and cancer treatments. He has presented this data at a number of national and international meetings as well as authored several textbook chapters. He is currently an Associate Professor of Radiation Oncology at the University of Central Florida College of Medicine. He brings special expertise in proton therapy, brachytherapy, as well as stereotactic radiosurgery, having worked extensively with both CyberKnife and Gamma Knife radiosurgery platforms. He also works extensively with the United States Department of Defense as a consultant on NBC (Nuclear, Biological, Chemical), as an integral member of the cabinet committee on the Counterterrorism Task Force in Washington DC.

His special interests include the treatment of head and neck cancers, skull base tumors, skin cancers, gynecological cancers, genitourinary and gastrointestinal malignancies. He completed his medical school training at the University of Pennsylvania School of Medicine and his internship and residency at the Hospital of the University of Pennsylvania in Philadelphia before joining the faculty there as an Assistant Professor of Radiation Oncology from 2012-2017, where he was the only faculty member simultaneously treating patients with both x-ray and proton radiotherapy, brachytherapy as well as CyberKnife and Gammaknife radiosurgery. When not treating cancer patients, Dr. Geiger is a musician, an avid photographer, both above and below water and Master Scuba Diver.