William A. Cavanagh

Interim CEO, Vice President of Research and Development

William CavanaghWilliam Cavanagh began his extensive career in cancer treatment technologies in the early 1990s, when he helped head 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 lead the research foundation in the selection of viable research projects directed at treating advanced cancers.

Brien Ragle

Chief Financial Officer

Coming SoonBrien Ragle is a license Certified Public Accountant in the State of Washington with over twenty years of finance, accounting and business management experience, including operational management experience in the hospitality industry, Security and Exchange Commission reporting, financial statement preparation, and cost, project and management accounting. Mr. Ragle became Chief Financial Officer of IsoRay in October 2013. Mr. Ragle was Controller – Principal Financial and Accounting Officer of IsoRay from October 2009 to October 2013 and Cost Accounting Manager of IsoRay from January 2007 until October 2009.

Prior to his employment with IsoRay, Mr. Ragle was employed by BNG America, LLC, a wholly-owned subsidiary of Energy Solutions, Inc (formerly NYSE: ES) from 2005 to 2006 as Project Accounting Manager for all projects located in the Western United States and from 2000 to 2004 as the Business Unit Controller by SCM Consultants, Inc, a wholly-owned subsidiary of Tetra Tech, Inc (NasdaqGS: TTEK).

Mr. Ragle holds Bachelor of Arts degrees in Business Administration, accounting major, and in Hospitality Management from Washington State University. Mr. Ragle is designated as a Chartered Global Management Accountant by the American Institute of Certified Public Accountants.