William H. Pursley

Xechem International, Inc. was a holding company which owned all of the capital stock of Xechem, Inc. The company was a development stage biopharmaceutical company engaged in the research, development and production of niche generic and proprietary drugs from natural sources. The company was founded in February 1994 and was headquartered in Edison, NJ.

Osiris Therapeutics, Inc. engages in the research, development, manufacture, and commercialization of regenerative medicine products. Its biosurgery business focuses on using unique tissue preservation technologies to develop viable human tissue products designed to improve wound closure and surgical outcomes for patients and physicians over standard of care alone. The company was founded by Peter A. Friedli and James S. Burns on December 23, 1992 and is headquartered in Columbia, MD.

CepTor Corp. develops and provides therapeutic products for neuro mascular and neuro degenerative diseases. The firm's technology includes the development of products for multiple sclerosis, chronic inflammatory demyelinating polyneuropathy, and amyotrophic lateral sclerosis diseases. The company was founded in 1986 and is headquartered in Hunt Valley, MD.