Michelle Griffin has served on Adaptive Biotechnologies' board of directors since March 2019 and chairs the Audit Committee. She previously served on the boards of Acer Therapeutics, HTG Molecular Diagnostics, Chinook Therapeutics, PhaseRx, OncoGenex Pharmaceuticals (now Achieve Life Sciences) and Sonus Pharmaceuticals, often as audit committee chair. Ms. Griffin held senior financial and operating roles including Executive Vice President, Operations and Chief Financial Officer at OncoGenex Pharmaceuticals (2011-2013), Acting Chief Executive, Senior Vice President and Chief Operating Officer and earlier Chief Financial Officer at Trubion Pharmaceuticals (2006-2010), Senior Vice President and Chief Financial Officer of Dendreon Corp. (2005-2006) and Chief Financial Officer of Corixa Corp (1997-2005). She holds a BS in marketing from George Mason University and an MBA from Seattle University.