Mr. Arkowitz has been a member of Spring Bank Board since January 2014. Since May 2018, Mr. Arkowitz has served as the Chief Financial Officer and Treasurer of Flexion Therapeutics, Inc., a biotechnology company. Prior to that, Mr. Arkowitz served from September 2013 to May 2018 as Chief Operating Officer and Chief Financial Officer of Visterra, Inc., which was acquired by Otsuka Pharmaceutical Co., Ltd., a biotechnology company. Prior to joining Visterra, he served from 2011 to 2013 as Chief Financial Officer and General Manager at Mascoma Corporation, which was acquired by Lallemand, Inc., a bioconversion company. From 2007 to 2011, Mr. Arkowitz was Executive Vice President, Chief Financial Officer and Chief Business Officer of AMAG Pharmaceuticals, a specialty pharmaceutical company. Prior to his tenure at AMAG, he served as Chief Financial Officer and Treasurer of Idenix Pharmaceuticals, Inc., which was acquired by Merck & Co. Inc., a biopharmaceutical company. Earlier in his career, he spent more than thirteen years at Merck & Co. Inc. including as Vice President and Controller of the U.S. Human Health division and as Controller of the Global Research and Development division. Mr. Arkowitz currently serves on the board of directors of Proteostasis Therapeutics, Inc., a publicly traded biotechnology company, and previously served on the board of directors of Aegerion Pharmaceuticals, Inc., also a publicly traded biotechnology company. Mr. Arkowitz has a BA in Mathematics from Brandeis University and an MBA in Finance from Columbia University Business School.