GI Dynamics, Inc. terminated the employment of Brian Callahan, Chief Compliance Officer of the Company, with such termination to be effective as of May 15, 2018. The company appointed Dave Bruce as the principal accounting and financial officer of the Company, with such appointment effective immediately. Mr. Bruce has served as the Company's Director of Finance since April 2018 and, prior to that, as the Company's General Accounting Manager since October 2016. Mr. Bruce served as Accounting Manager at Nutraclick LLC from April 2014 to October 2016 and, before that, as a consultant at Triton Resources from July 2010 to April 2014, where he acted as Controller for several companies in the biotechnology industry, including GNS Healthcare, Broad Institute, Stromedix and Daktari Diagnostics.