Biogen, Inc. is a biopharmaceutical company, which engages in discovering, developing, and delivering therapies for neurological and neurodegenerative diseases. The company is headquartered in Cambridge, Massachusetts and currently employs 7,570 full-time employees. The company has a portfolio of medicines to treat multiple sclerosis (MS), spinal muscular atrophy (SMA), Alzheimer's disease, and amyotrophic lateral sclerosis (ALS). The company is focused on advancing its pipeline in neurology, specialized immunology, and rare diseases. The Company’s marketed products include TECFIDERA, VUMERITY, AVONEX, PLEGRIDY, TYSABRI and FAMPYRA for the treatment of MS; SPINRAZA for the treatment of SMA; SKYCLARYS for the treatment of Friedreich's Ataxia; QALSODY for the treatment of ALS; and FUMADERM for the treatment of severe plaque psoriasis. The company also has collaborations for the commercialization of LEQEMBI, ZURZUVAE, RITUXAN, RITUXAN HYCELA, GAZYVA, OCREVUS, LUNSUMIO, and COLUMVI. The company commercializes a portfolio of biosimilars of advanced biologics including BENEPALI, IMRALDI, FLIXABI, and BYOOVIZ.