Mr. Hahn has over 15 years of senior financial and operations experience in emerging organizations. He joined GlycoMimetics in 2010. Previously, Mr. Hahn served as Executive Director of Finance at MiddleBrook Pharmaceuticals (formerly Advancis Pharmaceutical), a publicly traded specialty pharmaceutical company. Prior to Advancis, he was a senior accountant with Bering Truck Corporation. He began his career as an auditor for the Bank of Clarke County. Over the last ten years, Mr. Hahn has worked with life science companies from early stages (including an initial public offering) through product launch. He has broad experience in developing strategic plans, creating business models, establishing accounting and auditing systems, and ensuring Sarbanes-Oxley compliance. Currently, Mr. Hahn serves as Chair for the Financial Executive Committee (FEF) of the Tech Council of MD and as a member of the Steering Committee of the DC chapter of the Association for Bio Financial Officers (ABFO). He received a B.B.A. in Accounting from Shenandoah University and an M.B.A. from the University of Maryland.