Synthetic Biologics Inc. announced Steven A. Shallcross has been appointed Chief Financial Officer, Treasurer and Secretary effective June 1, 2015. Mr. C. Evan Ballantyne, the company's Chief Financial Officer, Treasurer and Secretary will be leaving the company to pursue other interests effective May 14, 2015. From May 2013 through May 2015, Mr. Shallcross served as Chief Financial Officer of Nuo Therapeutics Inc. In addition to his substantial biotech industry experience, Mr. Shallcross also held key leadership positions with a number of other companies, including serving as the Chief Financial Officer of Empire Petroleum Partners, LLC and Bering Truck Corporation, and Acting Chief Financial Officer for Senseonics.