Pharsight Corporation develops and markets integrated products and services that are designed to enable pharmaceutical and biotechnology companies to achieve improvements in the development and use of therapeutic products. Its products and services include data management and reporting tools, PK/PD modeling software, product profile visualization tools, validation products, consulting services, training and therapeutic domain expertise. It provides consulting services to all major drug development geographies, with scientists and business representatives in the United States, European Union and Japan. Pharsight Corporation has corporate headquarters in Mountain View, Calif., and trades on the Over The Counter Bulletin Board under the symbol PHST.