IsoRay, Inc. announced that the company removed William Cavanagh III from his positions as Chief Operating Officer and Chief Scientific Officer. The removal was made in conjunction with his simultaneous appointment to the position of Chief Research and Development Officer also effective on February 12, 2019. Also effective February 12, 2019, the company appointed Jonathan Hunt, its current Chief Financial Officer, as Co-Principal Financial Officer. Mark Austin, Controller, will remain in his position as Principal Financial Officer, now as Co-Principal Financial Officer with Mr. Hunt.