Mr. Edward Fitzgerald has served as a member of our board of directors since July 2017. He has over 35 years of business, financial and accounting experience, particularly in the biotechnology and pharmaceutical industry. He has been an independent business advisor since 2016. From June 2010 to April 2016, Mr. Fitzgerald served as executive vice president, chief financial officer and treasurer of ARIAD Pharmaceuticals, Inc., an international biopharmaceutical company, and was its senior vice president, chief financial officer and treasurer from May 2002 to June 2010. He was senior vice president, chief financial officer and secretary of AltaRex, Inc., a development stage biotechnology company, from 1998 to April 2002. He held management positions at BankBoston Corporation from 1992 to 1997 in its Mergers & Acquisitions Group and its Consumer Lending Group. He was a partner in the Audit and Business Advisory Practice of Arthur Andersen & Co. from 1989 to 1992. Our board of directors believes that Mr. Fitzgerald is uniquely suited to serve on our board of directors because of his background and extensive experience in executive management and financial accounting and reporting, particularly in the biotechnology and pharmaceutical industry.