Spero Therapeutics, Inc. announced the appointment of Tamara Joseph as Chief Legal Officer, effective as of December 2, 2020. Ms. Joseph brings significant experience to Spero with over 20 years of leadership roles in the biotechnology sector, overseeing legal, public and government affairs, compliance and risk management. Ms. Joseph most recently served as General Counsel at Millendo Therapeutics, Inc. and previously served as General Counsel at Enzyvant Therapeutics Ltd., InVivo Therapeutics Holdings Corp., Cubist Pharmaceuticals, Inc., Mayne Pharma Ltd., and Transkaryotic Therapies, Inc. Her experience also includes establishing and leading the ex-US operations of the Biogen Idec Inc. legal and public affairs departments.