Mr. William Cavanagh, III, also known as Bill, has been the Chief Operating Officer of IsoRay, Inc. since March 3, 2016 and its Chief Scientific Officer since August 15, 2016. Mr. Cavanagh served as Vice President of Research and Development at IsoRay, Inc. since January 2010 until March 3, 2016. Mr. Cavanagh served as Interim Chief Executive Officer of IsoRay, Inc since January 7, 2016. Mr. Cavanagh serves as the Vice President of Research & Development of Isoray Medical Inc. He has an extensive background in bringing medical products to market for the treatment of cancer. He had engaged in the research and development of dendritic cell therapies for cancer and infectious diseases. He served as Chief Scientific Officer for Sangretech Biomedical for the past six years, where he oversaw the design and implementation of a novel cancer therapy. Mr. Cavanagh was responsible for study design, protocol development, establishing necessary technology, IRB approval, clinic and operating room procedures and the reporting of study results. Upon the licensing of the Sangretech technology to a U.S. development partner, Mr. Cavanagh oversaw the compilation and submittal of an Investigational New Drug (IND) application to the U.S. FDA. He began his extensive career in cancer treatment technologies in the early 1990s, when he helped lead research and development of a therapy involving the insertion of radioactive sources directly into the prostate for the treatment of prostate cancer (prostate brachytherapy). He has designed several cancer treatment-related studies, is listed as an author on 34 peer-reviewed publications and is the listed inventor on a U.S. patent application detailing a novel treatment for cancer. Mr. Cavanagh has also served as Director of the Haakon Ragde Foundation for Advanced Cancer Studies in Seattle, Washington, where he led the research foundation in the selection of viable research projects directed at treating advanced cancers. He holds B.A. in Chemistry from Lake Forest College.