Cephalon, Inc. (NASDAQ: CEPH) is a U.S. biopharmaceutical company co-founed in 1987 by Dr. Frank Baldino, Jr., a pharmacologist and former scientist with the DuPont Company, who continues to serve as its chairman and chief executive officer. The company's name relates to the Greek root word "cephalic" meaning "related to the head or brain," and it was established primarily to pursue treatments for neurodegenerative diseases.