Avidity Biosciences, Inc. announced that Michael MacLean, currently the chief financial officer, has expanded his role to include responsibilities as chief business officer. Mr. MacLean brings decades of industry experience to Avidity, with deep experience in funding biotechnology companies, developing strategic plans, partnering novel technologies and advancing novel therapies in the rare and orphan disease areas through to commercialization. Prior to joining Avidity, Mr. MacLean served as chief financial officer of Akcea Therapeutics, Inc. where he led the buildout of Akcea's financial and global infrastructure.

Prior to Akcea, Mr. MacLean served as chief financial officer of PureTech Health, plc, as well as chief accounting officer of Biogen Inc. where he led the company's worldwide finance operations.