Valerie D. Riddle

Part of Altimmune, Inc., Pharmathene US Corp. develops medical countermeasures to prevent and treat morbidity and mortality associated with biological and chemical weapons.

PharmAthene, Inc. develops biotherapeutics to address biological pathogens and chemicals. It provides clinical and preclinical development for Bacillus anthracis a therapeutic anti-toxin for treatment of symptomatic patients infected with anthrax monoclonal. The company was founded in 2001 and is located in Annapolis, MD.

MedImmune LLC develops medicines for the prevention and treatment of infectious diseases such as cancer and immune system disorders. It offers solutions in the areas of monoclonal antibodies and vaccines for infection, oncology, respiratory disease and inflammation, cardiovascular diseases, and neuroscience. The company was founded by Wayne T. Hockmeyer in 1988 and is headquartered in Gaithersburg, MD.

Washington Hospital Center Corp. provides healthcare services. The firm has care centers for cancer, cardiovascular conditions, and ophthalmologic therapies. Its services include organ transplantation and a regional burn treatment center. The company was founded in March 1958 and is headquartered in Washington, DC.

Guilford Pharmaceuticals Inc. is a pharmaceutical company engaged in the research, development and commercialization of proprietary drugs that target the hospital and neurology markets. Presently, Guilford markets two commercial products, GLIADEL(R) Wafer, for the treatment of brain cancer, and AGGRASTAT(R) Injection, a glycoprotein GP IIb/IIIa receptor antagonist for the treatment of acute coronary syndrome (ACS). Guilford's product pipeline includes a novel anesthetic, AQUAVAN(R) Injection, and drugs for treating Parkinson's disease and peripheral nerve injury

PharmAthene, Inc. engages in the development and commercialization of medical countermeasures against biological and chemical threats. Its development portfolio includes a next generation anthrax vaccine that is intended to provide protection while having dosage and storage requirements. The company was founded in March 2001 and is headquartered in Annapolis, MD.