Sarah Boyce has served as President and Chief Executive Officer of Avidity Biosciences, Inc., a publicly-traded biotechnology company, since October 2019. Prior to joining Avidity, she served as a Director and President of Akcea Therapeutics (Nasdaq: AKCA), a publicly-traded biopharmaceutical company focused on serious and rare diseases, from April 2018 through September 2019. Ms. Boyce served as Chief Business Officer at Ionis Pharmaceuticals, Inc. (Nasdaq: IONS) from January 2015 to April 2018, where she was responsible for business development, alliance management, patient advocacy and investor relations. Prior to joining Ionis, she served as Vice President, Head of International Business Strategy and Operations at Forest Laboratories, Inc. Ms. Boyce held various positions with Alexion Pharmaceuticals Inc., Novartis Group AG (NYSE: NVS), Bayer AG and F. Hoffmann-La Roche AG. Ms. Boyce also served on the board of directors of Berkeley Lights Inc. (Nasdaq: BLI), a publicly-held biopharmaceutical company, from July 2019 until May 2022. Ms. Boyce received a B.S. degree in microbiology from the University of Manchester, England.