Regeneron Pharmaceuticals, Inc. is a biotechnology company, which engages in the discovery, invention, development, manufacture, and commercialization of medicines. The company is headquartered in Tarrytown, New York and currently employs 13,450 full-time employees. The firm invents, develops, manufactures, and commercializes medicines for people with serious diseases. Its products and product candidates in development are designed to help patients with eye diseases, allergic and inflammatory diseases, cancer, cardiovascular and metabolic diseases, neurological diseases, hematologic conditions, infectious diseases, and rare diseases. The firm helps in accelerating and improving the traditional drug development process through its VelociSuite technologies, such as VelocImmune, which uses genetically humanized mice to produce optimized fully human antibodies and bispecific antibodies, and through ambitious research initiatives such as the Regeneron Genetics Center. Its marketed products include EYLEA (aflibercept) Injection; Dupixent (dupilumab) Injection; Libtayo (cemiplimab) Injection; Praluent (alirocumab) Injection; Kevzara (sarilumab) Injection, and others.