(RTTNews.com) - Spherix Inc. ( SPEX ), a scientific research company, Thursday said it has appointed Richard Cohen as its chief financial officer. Cohen replaces Michael Pollack who was serving as interim chief financial officer of the firm.<br /><br />Cohen joins Spherix after spending three years with CorMedix Inc., where he served as President, and a member of its board.<br /><br />He was also a member of the board of directors of Dune Energy Inc. from 2008-2012 and served as a director and Chairman of the Audit Committee of Rodman and Renshaw.<br /><br />For comments and feedback: contact