Dumitru Manoiu

Tetragenex Pharmaceuticals, Inc. operates as a biotechnology company. It develops and commercializes proprietary pharmaceutical products for use in treatment resistant depression and other central nervous system diseases in the United States. The firm's principal product is Nemifitide, an antidepressant compound, which is in Phase II clinical trials for the treatment of depression, anxiety, and other central nervous system disorders. The company was founded in 1989 and is headquartered in Syosset, NY.

National Academy of Sciences operates as a private, nongovernmental institution that advises on issues related to science and technology. It provides independent, objective analysis and advice and conducts other activities to solve complex problems and inform public policy decisions. The firm also encourages education and research, recognize outstanding contributions to knowledge, and increase public understanding in matters of science. The company was founded on March 3, 1863 and is headquartered in Washington, DC.

Symposia Medicus provides healthcare education services.