Chiesi USA, Inc. is a specialty pharmaceutical company that develops and commercializes products for hospital, rare diseases, and adjacent specialty care settings. Its areas include neonatology, critical care, respiratory therapies, and treatments for rare disorders. The company serves healthcare providers and patients primarily in the United States. Chiesi USA was established in 2014 through the acquisition of Cornerstone Therapeutics Inc. It is headquartered in Cary, North Carolina, as an affiliate of the Italian-based Chiesi Farmaceutici S.p.A., founded in 1935. Leadership is headed by Jon Zwinski as U.S. Region Head and General Manager.