U.S. Energy Corp. announced the appointment of Ryan Smith as the company's Chief Financial Officer, effective as of May 18, 2017. Prior to the appointment, Mr. Smith had been consulting for the company since January 2017. Mr. Smith previously served as Emerald Oil Inc.'s Chief Financial Officer from September 2014 to January 2017 and Vice President of Capital Markets and Strategy from July 2013 to September 2014.