Ms. Griffin has served on our Board of Directors since August 2018. Ms. Griffin currently serves as a member of the board of directors and chair of the compensation committee for Acer Therapeutics, Inc (Nasdaq: ACER), Adaptive Biotechnologies Corp (Nasdaq: ADPT) and Chinook Therapeutics, Inc. (Nasdaq KDNY). She has also served on the board of directors and as audit committee chair for PhaseRx, Inc. (Nasdaq:PZRX) from 2016 to 2018, OncoGenex Pharmaceuticals Inc. (Nasdaq: OGXI) from 2008 to 2011, and Sonus Pharmaceuticals, Inc. (Nasdaq: SNUS) from 2004 to 2008. Ms. Griffin served as executive vice president, operations, and chief financial officer at OncoGenex from 2011 to 2013; served as acting chief executive, senior vice president and chief operating officer at Trubion Pharmaceuticals, Inc. (Nasdaq: TRBN) from 2009 until its acquisition in 2010 and as its chief financial officer from 2006 to 2009; and served as senior vice president and chief financial officer of Dendreon Corp. (Nasdaq: DNRN) from 2005 to 2006. Ms. Griffin began her career in the biopharmaceuticals industry in 1994 at Corixa Corp. (Nasdaq: CRXA) and served as its chief financial officer from its IPO in 1997 until 2005 when Corixa was acquired by GlaxoSmithKline plc. She received a post‐graduate certificate in accounting and an MBA from Seattle University, a B.S. in statistics and marketing from George Mason University and has passed the certified public accountant exam.