Athersys, Inc. is a biotechnology company, which focuses on the field of regenerative medicine. It engages in the discovery and development of therapies designed to extend and enhance the quality of human life. The firm offers MultiStem as its stem cell product which provides biological potency and therapeutic effects for distinct diseases and conditions in the cardiovascular, neurological, inflammatory, and immune disease areas. The company was founded by John J. Harrington and Gil van Bokkelen on October 24, 1995 and is headquartered in Cleveland, OH.