MOUNTAIN VIEW, Calif., April 16 /PRNewswire-FirstCall/ -- Pharsight Corporation (OTC Bulletin Board: PHST - News), a leading provider of software and strategic services for optimizing clinical drug development, today announced that Rene Bruno, Ph.D., Managing Director, Strategic Consulting Services for Europe, has been invited to speak to members of the pharmaceutical and biotechnology industries attending the 3rd Annual Pharmaceutical Sciences World Congress (PSWC), to be held in Amsterdam, the Netherlands, April 22-25, 2007.