Spero Therapeutics, Inc. announced the appointment of David Melnick as Chief Medical Officer to oversee Spero's clinical development and regulatory strategy. Dr. Melnick brings significant clinical experience to Spero with 18 years in anti infective drug development including seven successful anti-infective drug approvals. Prior to joining Spero Therapeutics, Dr. Melnick served as Vice President of Clinical Development for Anti Infectives at Allergan since 2015. In that capacity, he oversaw the development and regulatory approval of Teflaro, Avycaz, and Dalvance in the United States. Prior to Allergan, Dr. Melnick served fifteen years at AstraZeneca in various levels of increasing responsibility, most recently as Vice President of Clinical Development for Anti-Infectives. In that capacity, he oversaw the late stage clinical development of Merrem, Teflaro, and Avycaz. In addition, he served as the acting Vice President for early development at AstraZeneca.