Dr. Rosina Bierbaum joined the School of Natural Resources and Environment as Dean in October 2001. Prior to joining SNRE Bierbaum was acting director of the Office of Science and Technology Policy (OSTP) for the President. She joined OSTP in November 1993 as a Senior Policy Analyst and served as Assistant Director for Environment before being confirmed by the US Senate as Associate Director. As the Administration's senior scientific advisor on environmental research and development, Bierbaum provided scientific input and guidance on a wide range of national and international environmental issues. These included global change, air and water quality, endangered species, biodiversity, ecosystem management, endocrine disruptors, environmental monitoring, natural hazards, and energy research and development.